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Finding the Fourth Proportional to 124,082.76, 171,220.98 and 73,092.48

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Solution

The fourth proportional to 124,082.76, 171,220.98 and 73,092.48 is: 100,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,082.76 : 171,220.98 = 73,092.48 : x
  2. Step 2: Convert to fraction form
    124,082.76/171,220.98 = 73,092.48/x
  3. Step 3: Cross multiply
    124,082.76x = 171,220.98 × 73,092.48
  4. Step 4: Simplify right side
    124,082.76x = 12,514,966,056.23
  5. Step 5: Solve for x
    x = 12,514,966,056.23/124,082.76
  6. Step 6: Final answer
    x = 100,859.83

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1.5x scale

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.