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Finding the Fourth Proportional to 232,912.20, 349,368.30 and 66,700.20

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Solution

The fourth proportional to 232,912.20, 349,368.30 and 66,700.20 is: 100,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,912.20 : 349,368.30 = 66,700.20 : x
  2. Step 2: Convert to fraction form
    232,912.20/349,368.30 = 66,700.20/x
  3. Step 3: Cross multiply
    232,912.20x = 349,368.30 × 66,700.20
  4. Step 4: Simplify right side
    232,912.20x = 23,302,935,483.66
  5. Step 5: Solve for x
    x = 23,302,935,483.66/232,912.20
  6. Step 6: Final answer
    x = 100,050.30

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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.