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Finding the Fourth Proportional to 248,870.40, 373,305.60 and 61,881.90

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Solution

The fourth proportional to 248,870.40, 373,305.60 and 61,881.90 is: 92,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,870.40 : 373,305.60 = 61,881.90 : x
  2. Step 2: Convert to fraction form
    248,870.40/373,305.60 = 61,881.90/x
  3. Step 3: Cross multiply
    248,870.40x = 373,305.60 × 61,881.90
  4. Step 4: Simplify right side
    248,870.40x = 23,100,859,808.64
  5. Step 5: Solve for x
    x = 23,100,859,808.64/248,870.40
  6. Step 6: Final answer
    x = 92,822.85

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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.