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Finding the Fourth Proportional to 72,051.68, 108,092 and 25,298.40

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Solution

The fourth proportional to 72,051.68, 108,092 and 25,298.40 is: 37,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,051.68 : 108,092 = 25,298.40 : x
  2. Step 2: Convert to fraction form
    72,051.68/108,092 = 25,298.40/x
  3. Step 3: Cross multiply
    72,051.68x = 108,092 × 25,298.40
  4. Step 4: Simplify right side
    72,051.68x = 2,734,554,652.80
  5. Step 5: Solve for x
    x = 2,734,554,652.80/72,051.68
  6. Step 6: Final answer
    x = 37,952.68

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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.