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Finding the Fourth Proportional to 74,059.83, 110,831.36 and 60,576.98

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Solution

The fourth proportional to 74,059.83, 110,831.36 and 60,576.98 is: 90,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,059.83 : 110,831.36 = 60,576.98 : x
  2. Step 2: Convert to fraction form
    74,059.83/110,831.36 = 60,576.98/x
  3. Step 3: Cross multiply
    74,059.83x = 110,831.36 × 60,576.98
  4. Step 4: Simplify right side
    74,059.83x = 6,713,828,221.05
  5. Step 5: Solve for x
    x = 6,713,828,221.05/74,059.83
  6. Step 6: Final answer
    x = 90,654.11

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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.