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Finding the Fourth Proportional to 253,925.48, 350,403.67 and 146,489.11

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Solution

The fourth proportional to 253,925.48, 350,403.67 and 146,489.11 is: 202,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,925.48 : 350,403.67 = 146,489.11 : x
  2. Step 2: Convert to fraction form
    253,925.48/350,403.67 = 146,489.11/x
  3. Step 3: Cross multiply
    253,925.48x = 350,403.67 × 146,489.11
  4. Step 4: Simplify right side
    253,925.48x = 51,330,321,066.14
  5. Step 5: Solve for x
    x = 51,330,321,066.14/253,925.48
  6. Step 6: Final answer
    x = 202,147.18

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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.