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Finding the Fourth Proportional to 216,717.72, 299,092.98 and 124,840.17

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Solution

The fourth proportional to 216,717.72, 299,092.98 and 124,840.17 is: 172,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,717.72 : 299,092.98 = 124,840.17 : x
  2. Step 2: Convert to fraction form
    216,717.72/299,092.98 = 124,840.17/x
  3. Step 3: Cross multiply
    216,717.72x = 299,092.98 × 124,840.17
  4. Step 4: Simplify right side
    216,717.72x = 37,338,818,469.01
  5. Step 5: Solve for x
    x = 37,338,818,469.01/216,717.72
  6. Step 6: Final answer
    x = 172,292.41

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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.