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Finding the Fourth Proportional to 247,350.64, 341,085.72 and 146,729.20

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Solution

The fourth proportional to 247,350.64, 341,085.72 and 146,729.20 is: 202,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,350.64 : 341,085.72 = 146,729.20 : x
  2. Step 2: Convert to fraction form
    247,350.64/341,085.72 = 146,729.20/x
  3. Step 3: Cross multiply
    247,350.64x = 341,085.72 × 146,729.20
  4. Step 4: Simplify right side
    247,350.64x = 50,047,234,827.02
  5. Step 5: Solve for x
    x = 50,047,234,827.02/247,350.64
  6. Step 6: Final answer
    x = 202,333.15

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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.