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Finding the Fourth Proportional to 124,076.21, 185,719.20 and 98,832.76

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Solution

The fourth proportional to 124,076.21, 185,719.20 and 98,832.76 is: 147,934.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,076.21 : 185,719.20 = 98,832.76 : x
  2. Step 2: Convert to fraction form
    124,076.21/185,719.20 = 98,832.76/x
  3. Step 3: Cross multiply
    124,076.21x = 185,719.20 × 98,832.76
  4. Step 4: Simplify right side
    124,076.21x = 18,355,140,286.07
  5. Step 5: Solve for x
    x = 18,355,140,286.07/124,076.21
  6. Step 6: Final answer
    x = 147,934.41

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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.