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Finding the Fourth Proportional to 248,855.70, 373,284.90 and 61,867.20

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Solution

The fourth proportional to 248,855.70, 373,284.90 and 61,867.20 is: 92,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,855.70 : 373,284.90 = 61,867.20 : x
  2. Step 2: Convert to fraction form
    248,855.70/373,284.90 = 61,867.20/x
  3. Step 3: Cross multiply
    248,855.70x = 373,284.90 × 61,867.20
  4. Step 4: Simplify right side
    248,855.70x = 23,094,091,565.28
  5. Step 5: Solve for x
    x = 23,094,091,565.28/248,855.70
  6. Step 6: Final answer
    x = 92,801.14

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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.