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Finding the Fourth Proportional to 260,550, 359,559.12 and 147,370.32

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Solution

The fourth proportional to 260,550, 359,559.12 and 147,370.32 is: 203,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,550 : 359,559.12 = 147,370.32 : x
  2. Step 2: Convert to fraction form
    260,550/359,559.12 = 147,370.32/x
  3. Step 3: Cross multiply
    260,550x = 359,559.12 × 147,370.32
  4. Step 4: Simplify right side
    260,550x = 52,988,342,573.32
  5. Step 5: Solve for x
    x = 52,988,342,573.32/260,550
  6. Step 6: Final answer
    x = 203,371.11

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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.