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Finding the Fourth Proportional to 185,909.60, 256,554.05 and 101,026.66

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Solution

The fourth proportional to 185,909.60, 256,554.05 and 101,026.66 is: 139,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,909.60 : 256,554.05 = 101,026.66 : x
  2. Step 2: Convert to fraction form
    185,909.60/256,554.05 = 101,026.66/x
  3. Step 3: Cross multiply
    185,909.60x = 256,554.05 × 101,026.66
  4. Step 4: Simplify right side
    185,909.60x = 25,918,798,780.97
  5. Step 5: Solve for x
    x = 25,918,798,780.97/185,909.60
  6. Step 6: Final answer
    x = 139,416.14

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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.