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Finding the Fourth Proportional to 240,753.18, 360,915.03 and 114,315.42

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Solution

The fourth proportional to 240,753.18, 360,915.03 and 114,315.42 is: 171,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,753.18 : 360,915.03 = 114,315.42 : x
  2. Step 2: Convert to fraction form
    240,753.18/360,915.03 = 114,315.42/x
  3. Step 3: Cross multiply
    240,753.18x = 360,915.03 × 114,315.42
  4. Step 4: Simplify right side
    240,753.18x = 41,258,153,238.76
  5. Step 5: Solve for x
    x = 41,258,153,238.76/240,753.18
  6. Step 6: Final answer
    x = 171,371.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.