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Finding the Fourth Proportional to 67,905.76, 101,741.04 and 36,762.40

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Solution

The fourth proportional to 67,905.76, 101,741.04 and 36,762.40 is: 55,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,905.76 : 101,741.04 = 36,762.40 : x
  2. Step 2: Convert to fraction form
    67,905.76/101,741.04 = 36,762.40/x
  3. Step 3: Cross multiply
    67,905.76x = 101,741.04 × 36,762.40
  4. Step 4: Simplify right side
    67,905.76x = 3,740,244,808.90
  5. Step 5: Solve for x
    x = 3,740,244,808.90/67,905.76
  6. Step 6: Final answer
    x = 55,079.93

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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.