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Finding the Fourth Proportional to 273,525.32, 411,009.59 and 147,258.92

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Solution

The fourth proportional to 273,525.32, 411,009.59 and 147,258.92 is: 221,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,525.32 : 411,009.59 = 147,258.92 : x
  2. Step 2: Convert to fraction form
    273,525.32/411,009.59 = 147,258.92/x
  3. Step 3: Cross multiply
    273,525.32x = 411,009.59 × 147,258.92
  4. Step 4: Simplify right side
    273,525.32x = 60,524,826,646.14
  5. Step 5: Solve for x
    x = 60,524,826,646.14/273,525.32
  6. Step 6: Final answer
    x = 221,276.87

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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.