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Finding the Fourth Proportional to 101,815.92, 140,505.93 and 59,366.25

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Solution

The fourth proportional to 101,815.92, 140,505.93 and 59,366.25 is: 81,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,815.92 : 140,505.93 = 59,366.25 : x
  2. Step 2: Convert to fraction form
    101,815.92/140,505.93 = 59,366.25/x
  3. Step 3: Cross multiply
    101,815.92x = 140,505.93 × 59,366.25
  4. Step 4: Simplify right side
    101,815.92x = 8,341,310,166.86
  5. Step 5: Solve for x
    x = 8,341,310,166.86/101,815.92
  6. Step 6: Final answer
    x = 81,925.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.