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Finding the Fourth Proportional to 67,310.40, 92,911.68 and 46,159.68

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Solution

The fourth proportional to 67,310.40, 92,911.68 and 46,159.68 is: 63,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,310.40 : 92,911.68 = 46,159.68 : x
  2. Step 2: Convert to fraction form
    67,310.40/92,911.68 = 46,159.68/x
  3. Step 3: Cross multiply
    67,310.40x = 92,911.68 × 46,159.68
  4. Step 4: Simplify right side
    67,310.40x = 4,288,773,417.06
  5. Step 5: Solve for x
    x = 4,288,773,417.06/67,310.40
  6. Step 6: Final answer
    x = 63,716.36

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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.