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Finding the Fourth Proportional to 89,108.64, 133,675.25 and 29,948.90

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Solution

The fourth proportional to 89,108.64, 133,675.25 and 29,948.90 is: 44,927.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,108.64 : 133,675.25 = 29,948.90 : x
  2. Step 2: Convert to fraction form
    89,108.64/133,675.25 = 29,948.90/x
  3. Step 3: Cross multiply
    89,108.64x = 133,675.25 × 29,948.90
  4. Step 4: Simplify right side
    89,108.64x = 4,003,426,694.73
  5. Step 5: Solve for x
    x = 4,003,426,694.73/89,108.64
  6. Step 6: Final answer
    x = 44,927.48

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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.