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Finding the Fourth Proportional to 140,532.76, 210,829.92 and 40,697.02

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Solution

The fourth proportional to 140,532.76, 210,829.92 and 40,697.02 is: 61,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,532.76 : 210,829.92 = 40,697.02 : x
  2. Step 2: Convert to fraction form
    140,532.76/210,829.92 = 40,697.02/x
  3. Step 3: Cross multiply
    140,532.76x = 210,829.92 × 40,697.02
  4. Step 4: Simplify right side
    140,532.76x = 8,580,149,470.84
  5. Step 5: Solve for x
    x = 8,580,149,470.84/140,532.76
  6. Step 6: Final answer
    x = 61,054.44

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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.