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Finding the Fourth Proportional to 114,531.68, 158,048.35 and 63,543.86

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Solution

The fourth proportional to 114,531.68, 158,048.35 and 63,543.86 is: 87,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,531.68 : 158,048.35 = 63,543.86 : x
  2. Step 2: Convert to fraction form
    114,531.68/158,048.35 = 63,543.86/x
  3. Step 3: Cross multiply
    114,531.68x = 158,048.35 × 63,543.86
  4. Step 4: Simplify right side
    114,531.68x = 10,043,002,225.63
  5. Step 5: Solve for x
    x = 10,043,002,225.63/114,531.68
  6. Step 6: Final answer
    x = 87,687.55

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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.