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Finding the Fourth Proportional to 86,868, 130,302.54 and 24,539.04

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Solution

The fourth proportional to 86,868, 130,302.54 and 24,539.04 is: 36,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,868 : 130,302.54 = 24,539.04 : x
  2. Step 2: Convert to fraction form
    86,868/130,302.54 = 24,539.04/x
  3. Step 3: Cross multiply
    86,868x = 130,302.54 × 24,539.04
  4. Step 4: Simplify right side
    86,868x = 3,197,499,241.16
  5. Step 5: Solve for x
    x = 3,197,499,241.16/86,868
  6. Step 6: Final answer
    x = 36,808.71

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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.