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Finding the Fourth Proportional to 64,166.97, 96,275.10 and 45,209.82

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Solution

The fourth proportional to 64,166.97, 96,275.10 and 45,209.82 is: 67,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,166.97 : 96,275.10 = 45,209.82 : x
  2. Step 2: Convert to fraction form
    64,166.97/96,275.10 = 45,209.82/x
  3. Step 3: Cross multiply
    64,166.97x = 96,275.10 × 45,209.82
  4. Step 4: Simplify right side
    64,166.97x = 4,352,579,941.48
  5. Step 5: Solve for x
    x = 4,352,579,941.48/64,166.97
  6. Step 6: Final answer
    x = 67,832.09

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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.