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Finding the Fourth Proportional to 110,003.80, 165,011.10 and 57,515.80

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Solution

The fourth proportional to 110,003.80, 165,011.10 and 57,515.80 is: 86,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,003.80 : 165,011.10 = 57,515.80 : x
  2. Step 2: Convert to fraction form
    110,003.80/165,011.10 = 57,515.80/x
  3. Step 3: Cross multiply
    110,003.80x = 165,011.10 × 57,515.80
  4. Step 4: Simplify right side
    110,003.80x = 9,490,745,425.38
  5. Step 5: Solve for x
    x = 9,490,745,425.38/110,003.80
  6. Step 6: Final answer
    x = 86,276.52

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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.