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Finding the Fourth Proportional to 67,040.42, 100,602.98 and 37,477.65

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Solution

The fourth proportional to 67,040.42, 100,602.98 and 37,477.65 is: 56,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,040.42 : 100,602.98 = 37,477.65 : x
  2. Step 2: Convert to fraction form
    67,040.42/100,602.98 = 37,477.65/x
  3. Step 3: Cross multiply
    67,040.42x = 100,602.98 × 37,477.65
  4. Step 4: Simplify right side
    67,040.42x = 3,770,363,273.40
  5. Step 5: Solve for x
    x = 3,770,363,273.40/67,040.42
  6. Step 6: Final answer
    x = 56,240.15

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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.