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Finding the Fourth Proportional to 157,648.87, 217,480.50 and 93,074.86

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Solution

The fourth proportional to 157,648.87, 217,480.50 and 93,074.86 is: 128,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,648.87 : 217,480.50 = 93,074.86 : x
  2. Step 2: Convert to fraction form
    157,648.87/217,480.50 = 93,074.86/x
  3. Step 3: Cross multiply
    157,648.87x = 217,480.50 × 93,074.86
  4. Step 4: Simplify right side
    157,648.87x = 20,241,966,546.53
  5. Step 5: Solve for x
    x = 20,241,966,546.53/157,648.87
  6. Step 6: Final answer
    x = 128,399.06

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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.