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Finding the Fourth Proportional to 248,869.70, 373,305.90 and 61,881.20

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Solution

The fourth proportional to 248,869.70, 373,305.90 and 61,881.20 is: 92,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,869.70 : 373,305.90 = 61,881.20 : x
  2. Step 2: Convert to fraction form
    248,869.70/373,305.90 = 61,881.20/x
  3. Step 3: Cross multiply
    248,869.70x = 373,305.90 × 61,881.20
  4. Step 4: Simplify right side
    248,869.70x = 23,100,617,059.08
  5. Step 5: Solve for x
    x = 23,100,617,059.08/248,869.70
  6. Step 6: Final answer
    x = 92,822.14

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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.