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Finding the Fourth Proportional to 165,164.57, 247,686.56 and 70,404.44

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Solution

The fourth proportional to 165,164.57, 247,686.56 and 70,404.44 is: 105,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,164.57 : 247,686.56 = 70,404.44 : x
  2. Step 2: Convert to fraction form
    165,164.57/247,686.56 = 70,404.44/x
  3. Step 3: Cross multiply
    165,164.57x = 247,686.56 × 70,404.44
  4. Step 4: Simplify right side
    165,164.57x = 17,438,233,619.13
  5. Step 5: Solve for x
    x = 17,438,233,619.13/165,164.57
  6. Step 6: Final answer
    x = 105,580.96

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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.