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Finding the Fourth Proportional to 250,472.74, 345,666.52 and 148,558.54

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Solution

The fourth proportional to 250,472.74, 345,666.52 and 148,558.54 is: 205,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,472.74 : 345,666.52 = 148,558.54 : x
  2. Step 2: Convert to fraction form
    250,472.74/345,666.52 = 148,558.54/x
  3. Step 3: Cross multiply
    250,472.74x = 345,666.52 × 148,558.54
  4. Step 4: Simplify right side
    250,472.74x = 51,351,713,538.08
  5. Step 5: Solve for x
    x = 51,351,713,538.08/250,472.74
  6. Step 6: Final answer
    x = 205,019.17

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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.