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Finding the Fourth Proportional to 101,155.92, 151,685.16 and 59,048.40

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Solution

The fourth proportional to 101,155.92, 151,685.16 and 59,048.40 is: 88,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,155.92 : 151,685.16 = 59,048.40 : x
  2. Step 2: Convert to fraction form
    101,155.92/151,685.16 = 59,048.40/x
  3. Step 3: Cross multiply
    101,155.92x = 151,685.16 × 59,048.40
  4. Step 4: Simplify right side
    101,155.92x = 8,956,766,001.74
  5. Step 5: Solve for x
    x = 8,956,766,001.74/101,155.92
  6. Step 6: Final answer
    x = 88,544.16

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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.