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Finding the Fourth Proportional to 114,642.62, 158,207.15 and 63,655.46

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Solution

The fourth proportional to 114,642.62, 158,207.15 and 63,655.46 is: 87,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,642.62 : 158,207.15 = 63,655.46 : x
  2. Step 2: Convert to fraction form
    114,642.62/158,207.15 = 63,655.46/x
  3. Step 3: Cross multiply
    114,642.62x = 158,207.15 × 63,655.46
  4. Step 4: Simplify right side
    114,642.62x = 10,070,748,590.26
  5. Step 5: Solve for x
    x = 10,070,748,590.26/114,642.62
  6. Step 6: Final answer
    x = 87,844.72

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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.