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Finding the Fourth Proportional to 114,432.91, 157,917.35 and 63,445.50

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Solution

The fourth proportional to 114,432.91, 157,917.35 and 63,445.50 is: 87,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,432.91 : 157,917.35 = 63,445.50 : x
  2. Step 2: Convert to fraction form
    114,432.91/157,917.35 = 63,445.50/x
  3. Step 3: Cross multiply
    114,432.91x = 157,917.35 × 63,445.50
  4. Step 4: Simplify right side
    114,432.91x = 10,019,145,388.04
  5. Step 5: Solve for x
    x = 10,019,145,388.04/114,432.91
  6. Step 6: Final answer
    x = 87,554.76

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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.