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Finding the Fourth Proportional to 86,471.01, 129,710.48 and 26,495.19

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Solution

The fourth proportional to 86,471.01, 129,710.48 and 26,495.19 is: 39,744.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,471.01 : 129,710.48 = 26,495.19 : x
  2. Step 2: Convert to fraction form
    86,471.01/129,710.48 = 26,495.19/x
  3. Step 3: Cross multiply
    86,471.01x = 129,710.48 × 26,495.19
  4. Step 4: Simplify right side
    86,471.01x = 3,436,703,812.59
  5. Step 5: Solve for x
    x = 3,436,703,812.59/86,471.01
  6. Step 6: Final answer
    x = 39,744.00

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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.