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Finding the Fourth Proportional to 73,589.88, 102,045.12 and 71,096.70

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Solution

The fourth proportional to 73,589.88, 102,045.12 and 71,096.70 is: 98,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,589.88 : 102,045.12 = 71,096.70 : x
  2. Step 2: Convert to fraction form
    73,589.88/102,045.12 = 71,096.70/x
  3. Step 3: Cross multiply
    73,589.88x = 102,045.12 × 71,096.70
  4. Step 4: Simplify right side
    73,589.88x = 7,255,071,283.10
  5. Step 5: Solve for x
    x = 7,255,071,283.10/73,589.88
  6. Step 6: Final answer
    x = 98,587.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.