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Finding the Fourth Proportional to 195,335.60, 293,003.40 and 115,291.40

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Solution

The fourth proportional to 195,335.60, 293,003.40 and 115,291.40 is: 172,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,335.60 : 293,003.40 = 115,291.40 : x
  2. Step 2: Convert to fraction form
    195,335.60/293,003.40 = 115,291.40/x
  3. Step 3: Cross multiply
    195,335.60x = 293,003.40 × 115,291.40
  4. Step 4: Simplify right side
    195,335.60x = 33,780,772,190.76
  5. Step 5: Solve for x
    x = 33,780,772,190.76/195,335.60
  6. Step 6: Final answer
    x = 172,937.10

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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.