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Finding the Fourth Proportional to 88,612.85, 132,874.93 and 29,427.77

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Solution

The fourth proportional to 88,612.85, 132,874.93 and 29,427.77 is: 44,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,612.85 : 132,874.93 = 29,427.77 : x
  2. Step 2: Convert to fraction form
    88,612.85/132,874.93 = 29,427.77/x
  3. Step 3: Cross multiply
    88,612.85x = 132,874.93 × 29,427.77
  4. Step 4: Simplify right side
    88,612.85x = 3,910,213,247.78
  5. Step 5: Solve for x
    x = 3,910,213,247.78/88,612.85
  6. Step 6: Final answer
    x = 44,126.93

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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.