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Finding the Fourth Proportional to 248,877.80, 373,316.70 and 61,889.30

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Solution

The fourth proportional to 248,877.80, 373,316.70 and 61,889.30 is: 92,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,877.80 : 373,316.70 = 61,889.30 : x
  2. Step 2: Convert to fraction form
    248,877.80/373,316.70 = 61,889.30/x
  3. Step 3: Cross multiply
    248,877.80x = 373,316.70 × 61,889.30
  4. Step 4: Simplify right side
    248,877.80x = 23,104,309,241.31
  5. Step 5: Solve for x
    x = 23,104,309,241.31/248,877.80
  6. Step 6: Final answer
    x = 92,833.95

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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.