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Finding the Fourth Proportional to 88,893.88, 133,377.66 and 38,948.20

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Solution

The fourth proportional to 88,893.88, 133,377.66 and 38,948.20 is: 58,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,893.88 : 133,377.66 = 38,948.20 : x
  2. Step 2: Convert to fraction form
    88,893.88/133,377.66 = 38,948.20/x
  3. Step 3: Cross multiply
    88,893.88x = 133,377.66 × 38,948.20
  4. Step 4: Simplify right side
    88,893.88x = 5,194,819,777.21
  5. Step 5: Solve for x
    x = 5,194,819,777.21/88,893.88
  6. Step 6: Final answer
    x = 58,438.44

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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.