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Finding the Fourth Proportional to 127,625.92, 191,459.62 and 43,393.62

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Solution

The fourth proportional to 127,625.92, 191,459.62 and 43,393.62 is: 65,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,625.92 : 191,459.62 = 43,393.62 : x
  2. Step 2: Convert to fraction form
    127,625.92/191,459.62 = 43,393.62/x
  3. Step 3: Cross multiply
    127,625.92x = 191,459.62 × 43,393.62
  4. Step 4: Simplify right side
    127,625.92x = 8,308,125,995.62
  5. Step 5: Solve for x
    x = 8,308,125,995.62/127,625.92
  6. Step 6: Final answer
    x = 65,097.48

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1.5x scale

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.