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Finding the Fourth Proportional to 247,481.76, 341,525.07 and 134,304.51

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Solution

The fourth proportional to 247,481.76, 341,525.07 and 134,304.51 is: 185,340.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,481.76 : 341,525.07 = 134,304.51 : x
  2. Step 2: Convert to fraction form
    247,481.76/341,525.07 = 134,304.51/x
  3. Step 3: Cross multiply
    247,481.76x = 341,525.07 × 134,304.51
  4. Step 4: Simplify right side
    247,481.76x = 45,868,357,179.07
  5. Step 5: Solve for x
    x = 45,868,357,179.07/247,481.76
  6. Step 6: Final answer
    x = 185,340.35

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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.