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Finding the Fourth Proportional to 124,894.50, 187,266.71 and 57,342.00

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Solution

The fourth proportional to 124,894.50, 187,266.71 and 57,342.00 is: 85,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,894.50 : 187,266.71 = 57,342.00 : x
  2. Step 2: Convert to fraction form
    124,894.50/187,266.71 = 57,342.00/x
  3. Step 3: Cross multiply
    124,894.50x = 187,266.71 × 57,342.00
  4. Step 4: Simplify right side
    124,894.50x = 10,738,246,891.84
  5. Step 5: Solve for x
    x = 10,738,246,891.84/124,894.50
  6. Step 6: Final answer
    x = 85,978.54

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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.