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Finding the Fourth Proportional to 114,116.38, 157,479.68 and 63,815.38

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Solution

The fourth proportional to 114,116.38, 157,479.68 and 63,815.38 is: 88,064.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,116.38 : 157,479.68 = 63,815.38 : x
  2. Step 2: Convert to fraction form
    114,116.38/157,479.68 = 63,815.38/x
  3. Step 3: Cross multiply
    114,116.38x = 157,479.68 × 63,815.38
  4. Step 4: Simplify right side
    114,116.38x = 10,049,625,621.48
  5. Step 5: Solve for x
    x = 10,049,625,621.48/114,116.38
  6. Step 6: Final answer
    x = 88,064.71

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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.