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Finding the Fourth Proportional to 157,592.47, 217,469.05 and 90,524.47

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Solution

The fourth proportional to 157,592.47, 217,469.05 and 90,524.47 is: 124,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,592.47 : 217,469.05 = 90,524.47 : x
  2. Step 2: Convert to fraction form
    157,592.47/217,469.05 = 90,524.47/x
  3. Step 3: Cross multiply
    157,592.47x = 217,469.05 × 90,524.47
  4. Step 4: Simplify right side
    157,592.47x = 19,686,270,492.65
  5. Step 5: Solve for x
    x = 19,686,270,492.65/157,592.47
  6. Step 6: Final answer
    x = 124,918.85

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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.