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Finding the Fourth Proportional to 84,484, 126,586.07 and 59,401.51

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Solution

The fourth proportional to 84,484, 126,586.07 and 59,401.51 is: 89,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,484 : 126,586.07 = 59,401.51 : x
  2. Step 2: Convert to fraction form
    84,484/126,586.07 = 59,401.51/x
  3. Step 3: Cross multiply
    84,484x = 126,586.07 × 59,401.51
  4. Step 4: Simplify right side
    84,484x = 7,519,403,702.97
  5. Step 5: Solve for x
    x = 7,519,403,702.97/84,484
  6. Step 6: Final answer
    x = 89,003.88

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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.