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Finding the Fourth Proportional to 247,285.80, 341,253.54 and 134,108.28

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Solution

The fourth proportional to 247,285.80, 341,253.54 and 134,108.28 is: 185,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,285.80 : 341,253.54 = 134,108.28 : x
  2. Step 2: Convert to fraction form
    247,285.80/341,253.54 = 134,108.28/x
  3. Step 3: Cross multiply
    247,285.80x = 341,253.54 × 134,108.28
  4. Step 4: Simplify right side
    247,285.80x = 45,764,925,293.31
  5. Step 5: Solve for x
    x = 45,764,925,293.31/247,285.80
  6. Step 6: Final answer
    x = 185,068.96

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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.