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Finding the Fourth Proportional to 92,232.30, 138,348.45 and 88,344.30

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Solution

The fourth proportional to 92,232.30, 138,348.45 and 88,344.30 is: 132,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,232.30 : 138,348.45 = 88,344.30 : x
  2. Step 2: Convert to fraction form
    92,232.30/138,348.45 = 88,344.30/x
  3. Step 3: Cross multiply
    92,232.30x = 138,348.45 × 88,344.30
  4. Step 4: Simplify right side
    92,232.30x = 12,222,296,971.34
  5. Step 5: Solve for x
    x = 12,222,296,971.34/92,232.30
  6. Step 6: Final answer
    x = 132,516.45

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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.