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Finding the Fourth Proportional to 114,697.08, 158,264.28 and 65,634.84

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Solution

The fourth proportional to 114,697.08, 158,264.28 and 65,634.84 is: 90,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,697.08 : 158,264.28 = 65,634.84 : x
  2. Step 2: Convert to fraction form
    114,697.08/158,264.28 = 65,634.84/x
  3. Step 3: Cross multiply
    114,697.08x = 158,264.28 × 65,634.84
  4. Step 4: Simplify right side
    114,697.08x = 10,387,650,695.52
  5. Step 5: Solve for x
    x = 10,387,650,695.52/114,697.08
  6. Step 6: Final answer
    x = 90,565.96

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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.