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Finding the Fourth Proportional to 235,493.65, 324,842.48 and 148,139.48

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Solution

The fourth proportional to 235,493.65, 324,842.48 and 148,139.48 is: 204,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,493.65 : 324,842.48 = 148,139.48 : x
  2. Step 2: Convert to fraction form
    235,493.65/324,842.48 = 148,139.48/x
  3. Step 3: Cross multiply
    235,493.65x = 324,842.48 × 148,139.48
  4. Step 4: Simplify right side
    235,493.65x = 48,121,996,279.40
  5. Step 5: Solve for x
    x = 48,121,996,279.40/235,493.65
  6. Step 6: Final answer
    x = 204,345.19

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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.