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Finding the Fourth Proportional to 199,598.60, 299,616.60 and 124,803.20

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Solution

The fourth proportional to 199,598.60, 299,616.60 and 124,803.20 is: 187,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,598.60 : 299,616.60 = 124,803.20 : x
  2. Step 2: Convert to fraction form
    199,598.60/299,616.60 = 124,803.20/x
  3. Step 3: Cross multiply
    199,598.60x = 299,616.60 × 124,803.20
  4. Step 4: Simplify right side
    199,598.60x = 37,393,110,453.12
  5. Step 5: Solve for x
    x = 37,393,110,453.12/199,598.60
  6. Step 6: Final answer
    x = 187,341.55

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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.