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Finding the Fourth Proportional to 261,745.46, 392,697.01 and 93,243.79

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Solution

The fourth proportional to 261,745.46, 392,697.01 and 93,243.79 is: 139,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,745.46 : 392,697.01 = 93,243.79 : x
  2. Step 2: Convert to fraction form
    261,745.46/392,697.01 = 93,243.79/x
  3. Step 3: Cross multiply
    261,745.46x = 392,697.01 × 93,243.79
  4. Step 4: Simplify right side
    261,745.46x = 36,616,557,534.07
  5. Step 5: Solve for x
    x = 36,616,557,534.07/261,745.46
  6. Step 6: Final answer
    x = 139,893.76

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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.