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Finding the Fourth Proportional to 99,673.52, 149,537.16 and 33,124.40

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Solution

The fourth proportional to 99,673.52, 149,537.16 and 33,124.40 is: 49,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,673.52 : 149,537.16 = 33,124.40 : x
  2. Step 2: Convert to fraction form
    99,673.52/149,537.16 = 33,124.40/x
  3. Step 3: Cross multiply
    99,673.52x = 149,537.16 × 33,124.40
  4. Step 4: Simplify right side
    99,673.52x = 4,953,328,702.70
  5. Step 5: Solve for x
    x = 4,953,328,702.70/99,673.52
  6. Step 6: Final answer
    x = 49,695.53

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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.