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Finding the Fourth Proportional to 103,656.52, 155,640.30 and 59,333.32

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Solution

The fourth proportional to 103,656.52, 155,640.30 and 59,333.32 is: 89,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,656.52 : 155,640.30 = 59,333.32 : x
  2. Step 2: Convert to fraction form
    103,656.52/155,640.30 = 59,333.32/x
  3. Step 3: Cross multiply
    103,656.52x = 155,640.30 × 59,333.32
  4. Step 4: Simplify right side
    103,656.52x = 9,234,655,724.80
  5. Step 5: Solve for x
    x = 9,234,655,724.80/103,656.52
  6. Step 6: Final answer
    x = 89,089.00

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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.