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Finding the Fourth Proportional to 73,931.40, 110,751.30 and 44,261.10

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Solution

The fourth proportional to 73,931.40, 110,751.30 and 44,261.10 is: 66,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,931.40 : 110,751.30 = 44,261.10 : x
  2. Step 2: Convert to fraction form
    73,931.40/110,751.30 = 44,261.10/x
  3. Step 3: Cross multiply
    73,931.40x = 110,751.30 × 44,261.10
  4. Step 4: Simplify right side
    73,931.40x = 4,901,974,364.43
  5. Step 5: Solve for x
    x = 4,901,974,364.43/73,931.40
  6. Step 6: Final answer
    x = 66,304.36

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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.