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Finding the Fourth Proportional to 114,842.21, 158,487.54 and 63,860.10

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Solution

The fourth proportional to 114,842.21, 158,487.54 and 63,860.10 is: 88,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,842.21 : 158,487.54 = 63,860.10 : x
  2. Step 2: Convert to fraction form
    114,842.21/158,487.54 = 63,860.10/x
  3. Step 3: Cross multiply
    114,842.21x = 158,487.54 × 63,860.10
  4. Step 4: Simplify right side
    114,842.21x = 10,121,029,319.35
  5. Step 5: Solve for x
    x = 10,121,029,319.35/114,842.21
  6. Step 6: Final answer
    x = 88,129.88

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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.