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Finding the Fourth Proportional to 124,652.50, 171,933.15 and 84,348.52

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Solution

The fourth proportional to 124,652.50, 171,933.15 and 84,348.52 is: 116,341.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,652.50 : 171,933.15 = 84,348.52 : x
  2. Step 2: Convert to fraction form
    124,652.50/171,933.15 = 84,348.52/x
  3. Step 3: Cross multiply
    124,652.50x = 171,933.15 × 84,348.52
  4. Step 4: Simplify right side
    124,652.50x = 14,502,306,741.44
  5. Step 5: Solve for x
    x = 14,502,306,741.44/124,652.50
  6. Step 6: Final answer
    x = 116,341.88

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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.