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Finding the Fourth Proportional to 192,627.60, 288,969.12 and 59,519.52

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Solution

The fourth proportional to 192,627.60, 288,969.12 and 59,519.52 is: 89,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,627.60 : 288,969.12 = 59,519.52 : x
  2. Step 2: Convert to fraction form
    192,627.60/288,969.12 = 59,519.52/x
  3. Step 3: Cross multiply
    192,627.60x = 288,969.12 × 59,519.52
  4. Step 4: Simplify right side
    192,627.60x = 17,199,303,317.22
  5. Step 5: Solve for x
    x = 17,199,303,317.22/192,627.60
  6. Step 6: Final answer
    x = 89,287.85

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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.