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Finding the Fourth Proportional to 114,374.46, 157,832.46 and 63,385.86

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Solution

The fourth proportional to 114,374.46, 157,832.46 and 63,385.86 is: 87,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,374.46 : 157,832.46 = 63,385.86 : x
  2. Step 2: Convert to fraction form
    114,374.46/157,832.46 = 63,385.86/x
  3. Step 3: Cross multiply
    114,374.46x = 157,832.46 × 63,385.86
  4. Step 4: Simplify right side
    114,374.46x = 10,004,346,213.02
  5. Step 5: Solve for x
    x = 10,004,346,213.02/114,374.46
  6. Step 6: Final answer
    x = 87,470.11

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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.