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Finding the Fourth Proportional to 122,301.60, 183,452.40 and 75,645.60

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Solution

The fourth proportional to 122,301.60, 183,452.40 and 75,645.60 is: 113,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,301.60 : 183,452.40 = 75,645.60 : x
  2. Step 2: Convert to fraction form
    122,301.60/183,452.40 = 75,645.60/x
  3. Step 3: Cross multiply
    122,301.60x = 183,452.40 × 75,645.60
  4. Step 4: Simplify right side
    122,301.60x = 13,877,366,869.44
  5. Step 5: Solve for x
    x = 13,877,366,869.44/122,301.60
  6. Step 6: Final answer
    x = 113,468.40

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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.