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Finding the Fourth Proportional to 98,795.15, 148,193.11 and 23,915.17

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Solution

The fourth proportional to 98,795.15, 148,193.11 and 23,915.17 is: 35,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,795.15 : 148,193.11 = 23,915.17 : x
  2. Step 2: Convert to fraction form
    98,795.15/148,193.11 = 23,915.17/x
  3. Step 3: Cross multiply
    98,795.15x = 148,193.11 × 23,915.17
  4. Step 4: Simplify right side
    98,795.15x = 3,544,063,633.61
  5. Step 5: Solve for x
    x = 3,544,063,633.61/98,795.15
  6. Step 6: Final answer
    x = 35,872.85

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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.