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Finding the Fourth Proportional to 72,292.48, 108,363.84 and 37,153.92

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Solution

The fourth proportional to 72,292.48, 108,363.84 and 37,153.92 is: 55,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,292.48 : 108,363.84 = 37,153.92 : x
  2. Step 2: Convert to fraction form
    72,292.48/108,363.84 = 37,153.92/x
  3. Step 3: Cross multiply
    72,292.48x = 108,363.84 × 37,153.92
  4. Step 4: Simplify right side
    72,292.48x = 4,026,141,442.25
  5. Step 5: Solve for x
    x = 4,026,141,442.25/72,292.48
  6. Step 6: Final answer
    x = 55,692.40

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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.