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Finding the Fourth Proportional to 108,524.80, 162,592.80 and 92,972.80

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Solution

The fourth proportional to 108,524.80, 162,592.80 and 92,972.80 is: 139,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,524.80 : 162,592.80 = 92,972.80 : x
  2. Step 2: Convert to fraction form
    108,524.80/162,592.80 = 92,972.80/x
  3. Step 3: Cross multiply
    108,524.80x = 162,592.80 × 92,972.80
  4. Step 4: Simplify right side
    108,524.80x = 15,116,707,875.84
  5. Step 5: Solve for x
    x = 15,116,707,875.84/108,524.80
  6. Step 6: Final answer
    x = 139,292.66

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1.5x scale

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.