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Finding the Fourth Proportional to 260,551.50, 359,561.19 and 147,371.82

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Solution

The fourth proportional to 260,551.50, 359,561.19 and 147,371.82 is: 203,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,551.50 : 359,561.19 = 147,371.82 : x
  2. Step 2: Convert to fraction form
    260,551.50/359,561.19 = 147,371.82/x
  3. Step 3: Cross multiply
    260,551.50x = 359,561.19 × 147,371.82
  4. Step 4: Simplify right side
    260,551.50x = 52,989,186,971.67
  5. Step 5: Solve for x
    x = 52,989,186,971.67/260,551.50
  6. Step 6: Final answer
    x = 203,373.18

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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.