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Finding the Fourth Proportional to 84,757.40, 117,008.72 and 59,718.68

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Solution

The fourth proportional to 84,757.40, 117,008.72 and 59,718.68 is: 82,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,757.40 : 117,008.72 = 59,718.68 : x
  2. Step 2: Convert to fraction form
    84,757.40/117,008.72 = 59,718.68/x
  3. Step 3: Cross multiply
    84,757.40x = 117,008.72 × 59,718.68
  4. Step 4: Simplify right side
    84,757.40x = 6,987,606,306.89
  5. Step 5: Solve for x
    x = 6,987,606,306.89/84,757.40
  6. Step 6: Final answer
    x = 82,442.43

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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.