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Finding the Fourth Proportional to 250,547.61, 345,769.84 and 148,633.41

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Solution

The fourth proportional to 250,547.61, 345,769.84 and 148,633.41 is: 205,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,547.61 : 345,769.84 = 148,633.41 : x
  2. Step 2: Convert to fraction form
    250,547.61/345,769.84 = 148,633.41/x
  3. Step 3: Cross multiply
    250,547.61x = 345,769.84 × 148,633.41
  4. Step 4: Simplify right side
    250,547.61x = 51,392,950,394.35
  5. Step 5: Solve for x
    x = 51,392,950,394.35/250,547.61
  6. Step 6: Final answer
    x = 205,122.49

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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.