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Finding the Fourth Proportional to 86,073.80, 129,100.42 and 22,898.56

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Solution

The fourth proportional to 86,073.80, 129,100.42 and 22,898.56 is: 34,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,073.80 : 129,100.42 = 22,898.56 : x
  2. Step 2: Convert to fraction form
    86,073.80/129,100.42 = 22,898.56/x
  3. Step 3: Cross multiply
    86,073.80x = 129,100.42 × 22,898.56
  4. Step 4: Simplify right side
    86,073.80x = 2,956,212,953.40
  5. Step 5: Solve for x
    x = 2,956,212,953.40/86,073.80
  6. Step 6: Final answer
    x = 34,345.10

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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.