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Finding the Fourth Proportional to 192,461.20, 288,691.80 and 59,329.60

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Solution

The fourth proportional to 192,461.20, 288,691.80 and 59,329.60 is: 88,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,461.20 : 288,691.80 = 59,329.60 : x
  2. Step 2: Convert to fraction form
    192,461.20/288,691.80 = 59,329.60/x
  3. Step 3: Cross multiply
    192,461.20x = 288,691.80 × 59,329.60
  4. Step 4: Simplify right side
    192,461.20x = 17,127,969,017.28
  5. Step 5: Solve for x
    x = 17,127,969,017.28/192,461.20
  6. Step 6: Final answer
    x = 88,994.40

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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.