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Finding the Fourth Proportional to 165,573.60, 248,221.08 and 72,008.88

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Solution

The fourth proportional to 165,573.60, 248,221.08 and 72,008.88 is: 107,952.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,573.60 : 248,221.08 = 72,008.88 : x
  2. Step 2: Convert to fraction form
    165,573.60/248,221.08 = 72,008.88/x
  3. Step 3: Cross multiply
    165,573.60x = 248,221.08 × 72,008.88
  4. Step 4: Simplify right side
    165,573.60x = 17,874,121,963.19
  5. Step 5: Solve for x
    x = 17,874,121,963.19/165,573.60
  6. Step 6: Final answer
    x = 107,952.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.