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Finding the Fourth Proportional to 252,175.38, 378,262.38 and 74,696.23

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Solution

The fourth proportional to 252,175.38, 378,262.38 and 74,696.23 is: 112,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,175.38 : 378,262.38 = 74,696.23 : x
  2. Step 2: Convert to fraction form
    252,175.38/378,262.38 = 74,696.23/x
  3. Step 3: Cross multiply
    252,175.38x = 378,262.38 × 74,696.23
  4. Step 4: Simplify right side
    252,175.38x = 28,254,772,151.96
  5. Step 5: Solve for x
    x = 28,254,772,151.96/252,175.38
  6. Step 6: Final answer
    x = 112,044.14

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1.5x scale

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.