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Finding the Fourth Proportional to 110,275.20, 165,412.80 and 57,700.80

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Solution

The fourth proportional to 110,275.20, 165,412.80 and 57,700.80 is: 86,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,275.20 : 165,412.80 = 57,700.80 : x
  2. Step 2: Convert to fraction form
    110,275.20/165,412.80 = 57,700.80/x
  3. Step 3: Cross multiply
    110,275.20x = 165,412.80 × 57,700.80
  4. Step 4: Simplify right side
    110,275.20x = 9,544,450,890.24
  5. Step 5: Solve for x
    x = 9,544,450,890.24/110,275.20
  6. Step 6: Final answer
    x = 86,551.20

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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.