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Finding the Fourth Proportional to 250,864.47, 376,293.39 and 61,326.49

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Solution

The fourth proportional to 250,864.47, 376,293.39 and 61,326.49 is: 91,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,864.47 : 376,293.39 = 61,326.49 : x
  2. Step 2: Convert to fraction form
    250,864.47/376,293.39 = 61,326.49/x
  3. Step 3: Cross multiply
    250,864.47x = 376,293.39 × 61,326.49
  4. Step 4: Simplify right side
    250,864.47x = 23,076,752,818.90
  5. Step 5: Solve for x
    x = 23,076,752,818.90/250,864.47
  6. Step 6: Final answer
    x = 91,988.92

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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.