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Finding the Fourth Proportional to 101,271.67, 151,808.77 and 40,463.81

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Solution

The fourth proportional to 101,271.67, 151,808.77 and 40,463.81 is: 60,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,271.67 : 151,808.77 = 40,463.81 : x
  2. Step 2: Convert to fraction form
    101,271.67/151,808.77 = 40,463.81/x
  3. Step 3: Cross multiply
    101,271.67x = 151,808.77 × 40,463.81
  4. Step 4: Simplify right side
    101,271.67x = 6,142,761,023.29
  5. Step 5: Solve for x
    x = 6,142,761,023.29/101,271.67
  6. Step 6: Final answer
    x = 60,656.27

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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.