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Finding the Fourth Proportional to 124,552.92, 171,886.80 and 70,845.66

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Solution

The fourth proportional to 124,552.92, 171,886.80 and 70,845.66 is: 97,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,552.92 : 171,886.80 = 70,845.66 : x
  2. Step 2: Convert to fraction form
    124,552.92/171,886.80 = 70,845.66/x
  3. Step 3: Cross multiply
    124,552.92x = 171,886.80 × 70,845.66
  4. Step 4: Simplify right side
    124,552.92x = 12,177,433,791.29
  5. Step 5: Solve for x
    x = 12,177,433,791.29/124,552.92
  6. Step 6: Final answer
    x = 97,769.16

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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.