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Finding the Fourth Proportional to 153,730.87, 230,640.95 and 63,757.08

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Solution

The fourth proportional to 153,730.87, 230,640.95 and 63,757.08 is: 95,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,730.87 : 230,640.95 = 63,757.08 : x
  2. Step 2: Convert to fraction form
    153,730.87/230,640.95 = 63,757.08/x
  3. Step 3: Cross multiply
    153,730.87x = 230,640.95 × 63,757.08
  4. Step 4: Simplify right side
    153,730.87x = 14,704,993,659.82
  5. Step 5: Solve for x
    x = 14,704,993,659.82/153,730.87
  6. Step 6: Final answer
    x = 95,654.14

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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.