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Finding the Fourth Proportional to 86,882, 130,324.44 and 34,291.04

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Solution

The fourth proportional to 86,882, 130,324.44 and 34,291.04 is: 51,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,882 : 130,324.44 = 34,291.04 : x
  2. Step 2: Convert to fraction form
    86,882/130,324.44 = 34,291.04/x
  3. Step 3: Cross multiply
    86,882x = 130,324.44 × 34,291.04
  4. Step 4: Simplify right side
    86,882x = 4,468,960,585.02
  5. Step 5: Solve for x
    x = 4,468,960,585.02/86,882
  6. Step 6: Final answer
    x = 51,437.13

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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.