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Finding the Fourth Proportional to 250,498.71, 375,877.26 and 117,392.49

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Solution

The fourth proportional to 250,498.71, 375,877.26 and 117,392.49 is: 176,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,498.71 : 375,877.26 = 117,392.49 : x
  2. Step 2: Convert to fraction form
    250,498.71/375,877.26 = 117,392.49/x
  3. Step 3: Cross multiply
    250,498.71x = 375,877.26 × 117,392.49
  4. Step 4: Simplify right side
    250,498.71x = 44,125,167,485.78
  5. Step 5: Solve for x
    x = 44,125,167,485.78/250,498.71
  6. Step 6: Final answer
    x = 176,149.28

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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.