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Finding the Fourth Proportional to 224,559.65, 309,850.85 and 127,757.85

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Solution

The fourth proportional to 224,559.65, 309,850.85 and 127,757.85 is: 176,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,559.65 : 309,850.85 = 127,757.85 : x
  2. Step 2: Convert to fraction form
    224,559.65/309,850.85 = 127,757.85/x
  3. Step 3: Cross multiply
    224,559.65x = 309,850.85 × 127,757.85
  4. Step 4: Simplify right side
    224,559.65x = 39,585,878,416.67
  5. Step 5: Solve for x
    x = 39,585,878,416.67/224,559.65
  6. Step 6: Final answer
    x = 176,282.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.