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Finding the Fourth Proportional to 103,551.92, 155,078.75 and 59,043.74

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Solution

The fourth proportional to 103,551.92, 155,078.75 and 59,043.74 is: 88,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,551.92 : 155,078.75 = 59,043.74 : x
  2. Step 2: Convert to fraction form
    103,551.92/155,078.75 = 59,043.74/x
  3. Step 3: Cross multiply
    103,551.92x = 155,078.75 × 59,043.74
  4. Step 4: Simplify right side
    103,551.92x = 9,156,428,323.91
  5. Step 5: Solve for x
    x = 9,156,428,323.91/103,551.92
  6. Step 6: Final answer
    x = 88,423.55

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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.