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Finding the Fourth Proportional to 165,532.60, 248,298.90 and 153,722.80

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Solution

The fourth proportional to 165,532.60, 248,298.90 and 153,722.80 is: 230,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,532.60 : 248,298.90 = 153,722.80 : x
  2. Step 2: Convert to fraction form
    165,532.60/248,298.90 = 153,722.80/x
  3. Step 3: Cross multiply
    165,532.60x = 248,298.90 × 153,722.80
  4. Step 4: Simplify right side
    165,532.60x = 38,169,202,144.92
  5. Step 5: Solve for x
    x = 38,169,202,144.92/165,532.60
  6. Step 6: Final answer
    x = 230,584.20

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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.