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Finding the Fourth Proportional to 260,886.72, 360,025.02 and 147,731.52

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Solution

The fourth proportional to 260,886.72, 360,025.02 and 147,731.52 is: 203,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,886.72 : 360,025.02 = 147,731.52 : x
  2. Step 2: Convert to fraction form
    260,886.72/360,025.02 = 147,731.52/x
  3. Step 3: Cross multiply
    260,886.72x = 360,025.02 × 147,731.52
  4. Step 4: Simplify right side
    260,886.72x = 53,187,043,442.63
  5. Step 5: Solve for x
    x = 53,187,043,442.63/260,886.72
  6. Step 6: Final answer
    x = 203,870.26

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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.