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Finding the Fourth Proportional to 140,461.96, 210,661.74 and 40,600.36

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Solution

The fourth proportional to 140,461.96, 210,661.74 and 40,600.36 is: 60,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,461.96 : 210,661.74 = 40,600.36 : x
  2. Step 2: Convert to fraction form
    140,461.96/210,661.74 = 40,600.36/x
  3. Step 3: Cross multiply
    140,461.96x = 210,661.74 × 40,600.36
  4. Step 4: Simplify right side
    140,461.96x = 8,552,942,482.23
  5. Step 5: Solve for x
    x = 8,552,942,482.23/140,461.96
  6. Step 6: Final answer
    x = 60,891.52

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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.