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Finding the Fourth Proportional to 73,952.90, 110,929.35 and 73,175.30

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Solution

The fourth proportional to 73,952.90, 110,929.35 and 73,175.30 is: 109,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,952.90 : 110,929.35 = 73,175.30 : x
  2. Step 2: Convert to fraction form
    73,952.90/110,929.35 = 73,175.30/x
  3. Step 3: Cross multiply
    73,952.90x = 110,929.35 × 73,175.30
  4. Step 4: Simplify right side
    73,952.90x = 8,117,288,465.06
  5. Step 5: Solve for x
    x = 8,117,288,465.06/73,952.90
  6. Step 6: Final answer
    x = 109,762.95

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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.