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Finding the Fourth Proportional to 155,805.40, 233,731.14 and 62,309.08

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Solution

The fourth proportional to 155,805.40, 233,731.14 and 62,309.08 is: 93,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,805.40 : 233,731.14 = 62,309.08 : x
  2. Step 2: Convert to fraction form
    155,805.40/233,731.14 = 62,309.08/x
  3. Step 3: Cross multiply
    155,805.40x = 233,731.14 × 62,309.08
  4. Step 4: Simplify right side
    155,805.40x = 14,563,572,300.75
  5. Step 5: Solve for x
    x = 14,563,572,300.75/155,805.40
  6. Step 6: Final answer
    x = 93,472.83

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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.