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Finding the Fourth Proportional to 114,438.52, 157,925.10 and 63,451.27

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Solution

The fourth proportional to 114,438.52, 157,925.10 and 63,451.27 is: 87,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,438.52 : 157,925.10 = 63,451.27 : x
  2. Step 2: Convert to fraction form
    114,438.52/157,925.10 = 63,451.27/x
  3. Step 3: Cross multiply
    114,438.52x = 157,925.10 × 63,451.27
  4. Step 4: Simplify right side
    114,438.52x = 10,020,548,159.88
  5. Step 5: Solve for x
    x = 10,020,548,159.88/114,438.52
  6. Step 6: Final answer
    x = 87,562.72

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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.