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Finding the Fourth Proportional to 80,265.68, 110,779.08 and 45,810.44

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Solution

The fourth proportional to 80,265.68, 110,779.08 and 45,810.44 is: 63,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,265.68 : 110,779.08 = 45,810.44 : x
  2. Step 2: Convert to fraction form
    80,265.68/110,779.08 = 45,810.44/x
  3. Step 3: Cross multiply
    80,265.68x = 110,779.08 × 45,810.44
  4. Step 4: Simplify right side
    80,265.68x = 5,074,838,397.60
  5. Step 5: Solve for x
    x = 5,074,838,397.60/80,265.68
  6. Step 6: Final answer
    x = 63,225.51

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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.