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Finding the Fourth Proportional to 195,444.80, 293,109.60 and 77,076.80

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Solution

The fourth proportional to 195,444.80, 293,109.60 and 77,076.80 is: 115,592.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,444.80 : 293,109.60 = 77,076.80 : x
  2. Step 2: Convert to fraction form
    195,444.80/293,109.60 = 77,076.80/x
  3. Step 3: Cross multiply
    195,444.80x = 293,109.60 × 77,076.80
  4. Step 4: Simplify right side
    195,444.80x = 22,591,950,017.28
  5. Step 5: Solve for x
    x = 22,591,950,017.28/195,444.80
  6. Step 6: Final answer
    x = 115,592.48

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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.