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Finding the Fourth Proportional to 224,042.69, 309,151.69 and 127,211.24

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Solution

The fourth proportional to 224,042.69, 309,151.69 and 127,211.24 is: 175,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,042.69 : 309,151.69 = 127,211.24 : x
  2. Step 2: Convert to fraction form
    224,042.69/309,151.69 = 127,211.24/x
  3. Step 3: Cross multiply
    224,042.69x = 309,151.69 × 127,211.24
  4. Step 4: Simplify right side
    224,042.69x = 39,327,570,287.85
  5. Step 5: Solve for x
    x = 39,327,570,287.85/224,042.69
  6. Step 6: Final answer
    x = 175,536.05

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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.