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Finding the Fourth Proportional to 98,374.77, 147,554.87 and 39,223.71

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Solution

The fourth proportional to 98,374.77, 147,554.87 and 39,223.71 is: 58,832.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,374.77 : 147,554.87 = 39,223.71 : x
  2. Step 2: Convert to fraction form
    98,374.77/147,554.87 = 39,223.71/x
  3. Step 3: Cross multiply
    98,374.77x = 147,554.87 × 39,223.71
  4. Step 4: Simplify right side
    98,374.77x = 5,787,649,233.85
  5. Step 5: Solve for x
    x = 5,787,649,233.85/98,374.77
  6. Step 6: Final answer
    x = 58,832.66

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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.