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Finding the Fourth Proportional to 150,641.12, 207,860.56 and 93,370.88

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Solution

The fourth proportional to 150,641.12, 207,860.56 and 93,370.88 is: 128,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,641.12 : 207,860.56 = 93,370.88 : x
  2. Step 2: Convert to fraction form
    150,641.12/207,860.56 = 93,370.88/x
  3. Step 3: Cross multiply
    150,641.12x = 207,860.56 × 93,370.88
  4. Step 4: Simplify right side
    150,641.12x = 19,408,123,404.49
  5. Step 5: Solve for x
    x = 19,408,123,404.49/150,641.12
  6. Step 6: Final answer
    x = 128,836.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.