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Finding the Fourth Proportional to 224,494.78, 309,810.03 and 127,696.15

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Solution

The fourth proportional to 224,494.78, 309,810.03 and 127,696.15 is: 176,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,494.78 : 309,810.03 = 127,696.15 : x
  2. Step 2: Convert to fraction form
    224,494.78/309,810.03 = 127,696.15/x
  3. Step 3: Cross multiply
    224,494.78x = 309,810.03 × 127,696.15
  4. Step 4: Simplify right side
    224,494.78x = 39,561,548,062.38
  5. Step 5: Solve for x
    x = 39,561,548,062.38/224,494.78
  6. Step 6: Final answer
    x = 176,224.80

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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.