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Finding the Fourth Proportional to 144,604.30, 216,906.45 and 73,526.80

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Solution

The fourth proportional to 144,604.30, 216,906.45 and 73,526.80 is: 110,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,604.30 : 216,906.45 = 73,526.80 : x
  2. Step 2: Convert to fraction form
    144,604.30/216,906.45 = 73,526.80/x
  3. Step 3: Cross multiply
    144,604.30x = 216,906.45 × 73,526.80
  4. Step 4: Simplify right side
    144,604.30x = 15,948,437,167.86
  5. Step 5: Solve for x
    x = 15,948,437,167.86/144,604.30
  6. Step 6: Final answer
    x = 110,290.20

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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.