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Finding the Fourth Proportional to 118,246.76, 163,184.13 and 67,266.88

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Solution

The fourth proportional to 118,246.76, 163,184.13 and 67,266.88 is: 92,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,246.76 : 163,184.13 = 67,266.88 : x
  2. Step 2: Convert to fraction form
    118,246.76/163,184.13 = 67,266.88/x
  3. Step 3: Cross multiply
    118,246.76x = 163,184.13 × 67,266.88
  4. Step 4: Simplify right side
    118,246.76x = 10,976,887,290.61
  5. Step 5: Solve for x
    x = 10,976,887,290.61/118,246.76
  6. Step 6: Final answer
    x = 92,830.34

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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.