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Finding the Fourth Proportional to 260,700.68, 359,774.52 and 147,521

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Solution

The fourth proportional to 260,700.68, 359,774.52 and 147,521 is: 203,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,700.68 : 359,774.52 = 147,521 : x
  2. Step 2: Convert to fraction form
    260,700.68/359,774.52 = 147,521/x
  3. Step 3: Cross multiply
    260,700.68x = 359,774.52 × 147,521
  4. Step 4: Simplify right side
    260,700.68x = 53,074,296,964.92
  5. Step 5: Solve for x
    x = 53,074,296,964.92/260,700.68
  6. Step 6: Final answer
    x = 203,583.27

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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.