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Finding the Fourth Proportional to 213,144,064.20, 319,716,096.30 and 213,144,064.20

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Solution

The fourth proportional to 213,144,064.20, 319,716,096.30 and 213,144,064.20 is: 319,716,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,144,064.20 : 319,716,096.30 = 213,144,064.20 : x
  2. Step 2: Convert to fraction form
    213,144,064.20/319,716,096.30 = 213,144,064.20/x
  3. Step 3: Cross multiply
    213,144,064.20x = 319,716,096.30 × 213,144,064.20
  4. Step 4: Simplify right side
    213,144,064.20x = 68,145,588,155,540,584
  5. Step 5: Solve for x
    x = 68,145,588,155,540,584/213,144,064.20
  6. Step 6: Final answer
    x = 319,716,096.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.