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Finding the Fourth Proportional to 99,752, 149,627.82 and 58,169.84

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Solution

The fourth proportional to 99,752, 149,627.82 and 58,169.84 is: 87,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,752 : 149,627.82 = 58,169.84 : x
  2. Step 2: Convert to fraction form
    99,752/149,627.82 = 58,169.84/x
  3. Step 3: Cross multiply
    99,752x = 149,627.82 × 58,169.84
  4. Step 4: Simplify right side
    99,752x = 8,703,826,348.95
  5. Step 5: Solve for x
    x = 8,703,826,348.95/99,752
  6. Step 6: Final answer
    x = 87,254.66

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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.