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Finding the Fourth Proportional to 268,071.53, 402,167.43 and 123,904.49

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Solution

The fourth proportional to 268,071.53, 402,167.43 and 123,904.49 is: 185,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,071.53 : 402,167.43 = 123,904.49 : x
  2. Step 2: Convert to fraction form
    268,071.53/402,167.43 = 123,904.49/x
  3. Step 3: Cross multiply
    268,071.53x = 402,167.43 × 123,904.49
  4. Step 4: Simplify right side
    268,071.53x = 49,830,348,297.92
  5. Step 5: Solve for x
    x = 49,830,348,297.92/268,071.53
  6. Step 6: Final answer
    x = 185,884.53

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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.