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Finding the Fourth Proportional to 260,715.28, 359,787.06 and 141,483.28

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Solution

The fourth proportional to 260,715.28, 359,787.06 and 141,483.28 is: 195,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,715.28 : 359,787.06 = 141,483.28 : x
  2. Step 2: Convert to fraction form
    260,715.28/359,787.06 = 141,483.28/x
  3. Step 3: Cross multiply
    260,715.28x = 359,787.06 × 141,483.28
  4. Step 4: Simplify right side
    260,715.28x = 50,903,853,350.36
  5. Step 5: Solve for x
    x = 50,903,853,350.36/260,715.28
  6. Step 6: Final answer
    x = 195,246.91

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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.