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Finding the Fourth Proportional to 250,594.76, 345,825.26 and 135,877.28

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Solution

The fourth proportional to 250,594.76, 345,825.26 and 135,877.28 is: 187,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,594.76 : 345,825.26 = 135,877.28 : x
  2. Step 2: Convert to fraction form
    250,594.76/345,825.26 = 135,877.28/x
  3. Step 3: Cross multiply
    250,594.76x = 345,825.26 × 135,877.28
  4. Step 4: Simplify right side
    250,594.76x = 46,989,793,785.12
  5. Step 5: Solve for x
    x = 46,989,793,785.12/250,594.76
  6. Step 6: Final answer
    x = 187,513.07

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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.