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Finding the Fourth Proportional to 118,367.76, 163,352.36 and 68,066.76

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Solution

The fourth proportional to 118,367.76, 163,352.36 and 68,066.76 is: 93,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,367.76 : 163,352.36 = 68,066.76 : x
  2. Step 2: Convert to fraction form
    118,367.76/163,352.36 = 68,066.76/x
  3. Step 3: Cross multiply
    118,367.76x = 163,352.36 × 68,066.76
  4. Step 4: Simplify right side
    118,367.76x = 11,118,865,883.55
  5. Step 5: Solve for x
    x = 11,118,865,883.55/118,367.76
  6. Step 6: Final answer
    x = 93,934.92

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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.