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Finding the Fourth Proportional to 118,589.06, 163,656.80 and 67,600.88

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Solution

The fourth proportional to 118,589.06, 163,656.80 and 67,600.88 is: 93,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,589.06 : 163,656.80 = 67,600.88 : x
  2. Step 2: Convert to fraction form
    118,589.06/163,656.80 = 67,600.88/x
  3. Step 3: Cross multiply
    118,589.06x = 163,656.80 × 67,600.88
  4. Step 4: Simplify right side
    118,589.06x = 11,063,343,697.98
  5. Step 5: Solve for x
    x = 11,063,343,697.98/118,589.06
  6. Step 6: Final answer
    x = 93,291.44

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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.