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Finding the Fourth Proportional to 155,562.90, 232,761.15 and 103,074.90

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Solution

The fourth proportional to 155,562.90, 232,761.15 and 103,074.90 is: 154,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,562.90 : 232,761.15 = 103,074.90 : x
  2. Step 2: Convert to fraction form
    155,562.90/232,761.15 = 103,074.90/x
  3. Step 3: Cross multiply
    155,562.90x = 232,761.15 × 103,074.90
  4. Step 4: Simplify right side
    155,562.90x = 23,991,832,260.14
  5. Step 5: Solve for x
    x = 23,991,832,260.14/155,562.90
  6. Step 6: Final answer
    x = 154,225.93

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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.