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Finding the Fourth Proportional to 71,267.84, 106,944 and 39,704.32

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Solution

The fourth proportional to 71,267.84, 106,944 and 39,704.32 is: 59,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,267.84 : 106,944 = 39,704.32 : x
  2. Step 2: Convert to fraction form
    71,267.84/106,944 = 39,704.32/x
  3. Step 3: Cross multiply
    71,267.84x = 106,944 × 39,704.32
  4. Step 4: Simplify right side
    71,267.84x = 4,246,138,798.08
  5. Step 5: Solve for x
    x = 4,246,138,798.08/71,267.84
  6. Step 6: Final answer
    x = 59,580.01

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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.