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Finding the Fourth Proportional to 110,423.20, 165,634.80 and 57,848.80

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Solution

The fourth proportional to 110,423.20, 165,634.80 and 57,848.80 is: 86,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,423.20 : 165,634.80 = 57,848.80 : x
  2. Step 2: Convert to fraction form
    110,423.20/165,634.80 = 57,848.80/x
  3. Step 3: Cross multiply
    110,423.20x = 165,634.80 × 57,848.80
  4. Step 4: Simplify right side
    110,423.20x = 9,581,774,418.24
  5. Step 5: Solve for x
    x = 9,581,774,418.24/110,423.20
  6. Step 6: Final answer
    x = 86,773.20

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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.