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Finding the Fourth Proportional to 224,348.97, 309,580.07 and 123,740.49

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Solution

The fourth proportional to 224,348.97, 309,580.07 and 123,740.49 is: 170,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,348.97 : 309,580.07 = 123,740.49 : x
  2. Step 2: Convert to fraction form
    224,348.97/309,580.07 = 123,740.49/x
  3. Step 3: Cross multiply
    224,348.97x = 309,580.07 × 123,740.49
  4. Step 4: Simplify right side
    224,348.97x = 38,307,588,937.33
  5. Step 5: Solve for x
    x = 38,307,588,937.33/224,348.97
  6. Step 6: Final answer
    x = 170,750.01

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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.