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Finding the Fourth Proportional to 101,193.68, 151,755.96 and 63,730.64

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Solution

The fourth proportional to 101,193.68, 151,755.96 and 63,730.64 is: 95,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,193.68 : 151,755.96 = 63,730.64 : x
  2. Step 2: Convert to fraction form
    101,193.68/151,755.96 = 63,730.64/x
  3. Step 3: Cross multiply
    101,193.68x = 151,755.96 × 63,730.64
  4. Step 4: Simplify right side
    101,193.68x = 9,671,504,454.61
  5. Step 5: Solve for x
    x = 9,671,504,454.61/101,193.68
  6. Step 6: Final answer
    x = 95,574.19

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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.