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Finding the Fourth Proportional to 117,996.76, 162,829.92 and 64,281.52

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Solution

The fourth proportional to 117,996.76, 162,829.92 and 64,281.52 is: 88,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,996.76 : 162,829.92 = 64,281.52 : x
  2. Step 2: Convert to fraction form
    117,996.76/162,829.92 = 64,281.52/x
  3. Step 3: Cross multiply
    117,996.76x = 162,829.92 × 64,281.52
  4. Step 4: Simplify right side
    117,996.76x = 10,466,954,759.08
  5. Step 5: Solve for x
    x = 10,466,954,759.08/117,996.76
  6. Step 6: Final answer
    x = 88,705.44

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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.