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Finding the Fourth Proportional to 124,534.92, 171,894.78 and 70,849.92

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Solution

The fourth proportional to 124,534.92, 171,894.78 and 70,849.92 is: 97,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,534.92 : 171,894.78 = 70,849.92 : x
  2. Step 2: Convert to fraction form
    124,534.92/171,894.78 = 70,849.92/x
  3. Step 3: Cross multiply
    124,534.92x = 171,894.78 × 70,849.92
  4. Step 4: Simplify right side
    124,534.92x = 12,178,731,411.42
  5. Step 5: Solve for x
    x = 12,178,731,411.42/124,534.92
  6. Step 6: Final answer
    x = 97,793.71

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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.