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Finding the Fourth Proportional to 207,801.60, 286,769.28 and 118,375.68

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Solution

The fourth proportional to 207,801.60, 286,769.28 and 118,375.68 is: 163,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,801.60 : 286,769.28 = 118,375.68 : x
  2. Step 2: Convert to fraction form
    207,801.60/286,769.28 = 118,375.68/x
  3. Step 3: Cross multiply
    207,801.60x = 286,769.28 × 118,375.68
  4. Step 4: Simplify right side
    207,801.60x = 33,946,508,523.11
  5. Step 5: Solve for x
    x = 33,946,508,523.11/207,801.60
  6. Step 6: Final answer
    x = 163,360.19

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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.