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Finding the Fourth Proportional to 179,650.98, 247,915.08 and 99,085.98

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Solution

The fourth proportional to 179,650.98, 247,915.08 and 99,085.98 is: 136,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,650.98 : 247,915.08 = 99,085.98 : x
  2. Step 2: Convert to fraction form
    179,650.98/247,915.08 = 99,085.98/x
  3. Step 3: Cross multiply
    179,650.98x = 247,915.08 × 99,085.98
  4. Step 4: Simplify right side
    179,650.98x = 24,564,908,658.58
  5. Step 5: Solve for x
    x = 24,564,908,658.58/179,650.98
  6. Step 6: Final answer
    x = 136,736.85

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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.