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Finding the Fourth Proportional to 140,437.94, 210,648.70 and 40,595.92

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Solution

The fourth proportional to 140,437.94, 210,648.70 and 40,595.92 is: 60,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,437.94 : 210,648.70 = 40,595.92 : x
  2. Step 2: Convert to fraction form
    140,437.94/210,648.70 = 40,595.92/x
  3. Step 3: Cross multiply
    140,437.94x = 210,648.70 × 40,595.92
  4. Step 4: Simplify right side
    140,437.94x = 8,551,477,297.43
  5. Step 5: Solve for x
    x = 8,551,477,297.43/140,437.94
  6. Step 6: Final answer
    x = 60,891.51

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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.