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Finding the Fourth Proportional to 140,607.48, 210,895.62 and 35,426.44

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Solution

The fourth proportional to 140,607.48, 210,895.62 and 35,426.44 is: 53,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,607.48 : 210,895.62 = 35,426.44 : x
  2. Step 2: Convert to fraction form
    140,607.48/210,895.62 = 35,426.44/x
  3. Step 3: Cross multiply
    140,607.48x = 210,895.62 × 35,426.44
  4. Step 4: Simplify right side
    140,607.48x = 7,471,281,028.19
  5. Step 5: Solve for x
    x = 7,471,281,028.19/140,607.48
  6. Step 6: Final answer
    x = 53,135.73

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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.