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Finding the Fourth Proportional to 195,613.60, 293,420.40 and 127,962.40

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Solution

The fourth proportional to 195,613.60, 293,420.40 and 127,962.40 is: 191,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,613.60 : 293,420.40 = 127,962.40 : x
  2. Step 2: Convert to fraction form
    195,613.60/293,420.40 = 127,962.40/x
  3. Step 3: Cross multiply
    195,613.60x = 293,420.40 × 127,962.40
  4. Step 4: Simplify right side
    195,613.60x = 37,546,778,592.96
  5. Step 5: Solve for x
    x = 37,546,778,592.96/195,613.60
  6. Step 6: Final answer
    x = 191,943.60

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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.