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Finding the Fourth Proportional to 67,464.84, 93,109.68 and 39,170.52

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Solution

The fourth proportional to 67,464.84, 93,109.68 and 39,170.52 is: 54,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,464.84 : 93,109.68 = 39,170.52 : x
  2. Step 2: Convert to fraction form
    67,464.84/93,109.68 = 39,170.52/x
  3. Step 3: Cross multiply
    67,464.84x = 93,109.68 × 39,170.52
  4. Step 4: Simplify right side
    67,464.84x = 3,647,154,582.63
  5. Step 5: Solve for x
    x = 3,647,154,582.63/67,464.84
  6. Step 6: Final answer
    x = 54,060.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.