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Finding the Fourth Proportional to 242,314.92, 334,390.02 and 134,884.20

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Solution

The fourth proportional to 242,314.92, 334,390.02 and 134,884.20 is: 186,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,314.92 : 334,390.02 = 134,884.20 : x
  2. Step 2: Convert to fraction form
    242,314.92/334,390.02 = 134,884.20/x
  3. Step 3: Cross multiply
    242,314.92x = 334,390.02 × 134,884.20
  4. Step 4: Simplify right side
    242,314.92x = 45,103,930,335.68
  5. Step 5: Solve for x
    x = 45,103,930,335.68/242,314.92
  6. Step 6: Final answer
    x = 186,137.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.