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Finding the Fourth Proportional to 64,166.40, 96,276.78 and 34,549.65

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Solution

The fourth proportional to 64,166.40, 96,276.78 and 34,549.65 is: 51,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,166.40 : 96,276.78 = 34,549.65 : x
  2. Step 2: Convert to fraction form
    64,166.40/96,276.78 = 34,549.65/x
  3. Step 3: Cross multiply
    64,166.40x = 96,276.78 × 34,549.65
  4. Step 4: Simplify right side
    64,166.40x = 3,326,329,052.13
  5. Step 5: Solve for x
    x = 3,326,329,052.13/64,166.40
  6. Step 6: Final answer
    x = 51,839.11

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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.