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Finding the Fourth Proportional to 234,130.20, 350,417.70 and 164,146.20

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Solution

The fourth proportional to 234,130.20, 350,417.70 and 164,146.20 is: 245,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,130.20 : 350,417.70 = 164,146.20 : x
  2. Step 2: Convert to fraction form
    234,130.20/350,417.70 = 164,146.20/x
  3. Step 3: Cross multiply
    234,130.20x = 350,417.70 × 164,146.20
  4. Step 4: Simplify right side
    234,130.20x = 57,519,733,867.74
  5. Step 5: Solve for x
    x = 57,519,733,867.74/234,130.20
  6. Step 6: Final answer
    x = 245,674.13

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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.