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Finding the Fourth Proportional to 114,774.57, 158,388.75 and 63,785.70

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Solution

The fourth proportional to 114,774.57, 158,388.75 and 63,785.70 is: 88,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,774.57 : 158,388.75 = 63,785.70 : x
  2. Step 2: Convert to fraction form
    114,774.57/158,388.75 = 63,785.70/x
  3. Step 3: Cross multiply
    114,774.57x = 158,388.75 × 63,785.70
  4. Step 4: Simplify right side
    114,774.57x = 10,102,937,290.88
  5. Step 5: Solve for x
    x = 10,102,937,290.88/114,774.57
  6. Step 6: Final answer
    x = 88,024.18

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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.