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Finding the Fourth Proportional to 160,288.80, 240,433.20 and 149,791.20

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Solution

The fourth proportional to 160,288.80, 240,433.20 and 149,791.20 is: 224,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,288.80 : 240,433.20 = 149,791.20 : x
  2. Step 2: Convert to fraction form
    160,288.80/240,433.20 = 149,791.20/x
  3. Step 3: Cross multiply
    160,288.80x = 240,433.20 × 149,791.20
  4. Step 4: Simplify right side
    160,288.80x = 36,014,777,547.84
  5. Step 5: Solve for x
    x = 36,014,777,547.84/160,288.80
  6. Step 6: Final answer
    x = 224,686.80

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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.