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Finding the Fourth Proportional to 260,947.17, 360,100.98 and 153,524.12

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Solution

The fourth proportional to 260,947.17, 360,100.98 and 153,524.12 is: 211,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,947.17 : 360,100.98 = 153,524.12 : x
  2. Step 2: Convert to fraction form
    260,947.17/360,100.98 = 153,524.12/x
  3. Step 3: Cross multiply
    260,947.17x = 360,100.98 × 153,524.12
  4. Step 4: Simplify right side
    260,947.17x = 55,284,184,265.13
  5. Step 5: Solve for x
    x = 55,284,184,265.13/260,947.17
  6. Step 6: Final answer
    x = 211,859.68

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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.