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Finding the Fourth Proportional to 98,859, 148,289.22 and 24,987

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Solution

The fourth proportional to 98,859, 148,289.22 and 24,987 is: 37,480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,859 : 148,289.22 = 24,987 : x
  2. Step 2: Convert to fraction form
    98,859/148,289.22 = 24,987/x
  3. Step 3: Cross multiply
    98,859x = 148,289.22 × 24,987
  4. Step 4: Simplify right side
    98,859x = 3,705,302,740.14
  5. Step 5: Solve for x
    x = 3,705,302,740.14/98,859
  6. Step 6: Final answer
    x = 37,480.68

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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.