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Finding the Fourth Proportional to 260,885.72, 360,023.64 and 147,730.52

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Solution

The fourth proportional to 260,885.72, 360,023.64 and 147,730.52 is: 203,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,885.72 : 360,023.64 = 147,730.52 : x
  2. Step 2: Convert to fraction form
    260,885.72/360,023.64 = 147,730.52/x
  3. Step 3: Cross multiply
    260,885.72x = 360,023.64 × 147,730.52
  4. Step 4: Simplify right side
    260,885.72x = 53,186,479,549.49
  5. Step 5: Solve for x
    x = 53,186,479,549.49/260,885.72
  6. Step 6: Final answer
    x = 203,868.88

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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.