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Finding the Fourth Proportional to 117,120.98, 175,618.29 and 60,822.20

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Solution

The fourth proportional to 117,120.98, 175,618.29 and 60,822.20 is: 91,200.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,120.98 : 175,618.29 = 60,822.20 : x
  2. Step 2: Convert to fraction form
    117,120.98/175,618.29 = 60,822.20/x
  3. Step 3: Cross multiply
    117,120.98x = 175,618.29 × 60,822.20
  4. Step 4: Simplify right side
    117,120.98x = 10,681,490,758.04
  5. Step 5: Solve for x
    x = 10,681,490,758.04/117,120.98
  6. Step 6: Final answer
    x = 91,200.49

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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.