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Finding the Fourth Proportional to 110,417.62, 165,641.92 and 54,259.94

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Solution

The fourth proportional to 110,417.62, 165,641.92 and 54,259.94 is: 81,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,417.62 : 165,641.92 = 54,259.94 : x
  2. Step 2: Convert to fraction form
    110,417.62/165,641.92 = 54,259.94/x
  3. Step 3: Cross multiply
    110,417.62x = 165,641.92 × 54,259.94
  4. Step 4: Simplify right side
    110,417.62x = 8,987,719,676.83
  5. Step 5: Solve for x
    x = 8,987,719,676.83/110,417.62
  6. Step 6: Final answer
    x = 81,397.52

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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.