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Finding the Fourth Proportional to 114,375.38, 157,839.84 and 64,074.38

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Solution

The fourth proportional to 114,375.38, 157,839.84 and 64,074.38 is: 88,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,375.38 : 157,839.84 = 64,074.38 : x
  2. Step 2: Convert to fraction form
    114,375.38/157,839.84 = 64,074.38/x
  3. Step 3: Cross multiply
    114,375.38x = 157,839.84 × 64,074.38
  4. Step 4: Simplify right side
    114,375.38x = 10,113,489,098.10
  5. Step 5: Solve for x
    x = 10,113,489,098.10/114,375.38
  6. Step 6: Final answer
    x = 88,423.66

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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.