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Finding the Fourth Proportional to 157,597.47, 217,475.65 and 89,630.98

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Solution

The fourth proportional to 157,597.47, 217,475.65 and 89,630.98 is: 123,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,597.47 : 217,475.65 = 89,630.98 : x
  2. Step 2: Convert to fraction form
    157,597.47/217,475.65 = 89,630.98/x
  3. Step 3: Cross multiply
    157,597.47x = 217,475.65 × 89,630.98
  4. Step 4: Simplify right side
    157,597.47x = 19,492,555,635.64
  5. Step 5: Solve for x
    x = 19,492,555,635.64/157,597.47
  6. Step 6: Final answer
    x = 123,685.71

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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.