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Finding the Fourth Proportional to 162,480.48, 243,695.52 and 62,687.52

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Solution

The fourth proportional to 162,480.48, 243,695.52 and 62,687.52 is: 94,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,480.48 : 243,695.52 = 62,687.52 : x
  2. Step 2: Convert to fraction form
    162,480.48/243,695.52 = 62,687.52/x
  3. Step 3: Cross multiply
    162,480.48x = 243,695.52 × 62,687.52
  4. Step 4: Simplify right side
    162,480.48x = 15,276,667,783.91
  5. Step 5: Solve for x
    x = 15,276,667,783.91/162,480.48
  6. Step 6: Final answer
    x = 94,021.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.