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Finding the Fourth Proportional to 252,066.06, 378,155.15 and 109,934.31

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Solution

The fourth proportional to 252,066.06, 378,155.15 and 109,934.31 is: 164,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,066.06 : 378,155.15 = 109,934.31 : x
  2. Step 2: Convert to fraction form
    252,066.06/378,155.15 = 109,934.31/x
  3. Step 3: Cross multiply
    252,066.06x = 378,155.15 × 109,934.31
  4. Step 4: Simplify right side
    252,066.06x = 41,572,226,768.86
  5. Step 5: Solve for x
    x = 41,572,226,768.86/252,066.06
  6. Step 6: Final answer
    x = 164,925.92

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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.