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Finding the Fourth Proportional to 250,270.29, 375,142.86 and 117,038.25

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Solution

The fourth proportional to 250,270.29, 375,142.86 and 117,038.25 is: 175,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,270.29 : 375,142.86 = 117,038.25 : x
  2. Step 2: Convert to fraction form
    250,270.29/375,142.86 = 117,038.25/x
  3. Step 3: Cross multiply
    250,270.29x = 375,142.86 × 117,038.25
  4. Step 4: Simplify right side
    250,270.29x = 43,906,063,834.40
  5. Step 5: Solve for x
    x = 43,906,063,834.40/250,270.29
  6. Step 6: Final answer
    x = 175,434.58

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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.