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Finding the Fourth Proportional to 68,449.50, 94,503.64 and 46,975.19

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Solution

The fourth proportional to 68,449.50, 94,503.64 and 46,975.19 is: 64,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,449.50 : 94,503.64 = 46,975.19 : x
  2. Step 2: Convert to fraction form
    68,449.50/94,503.64 = 46,975.19/x
  3. Step 3: Cross multiply
    68,449.50x = 94,503.64 × 46,975.19
  4. Step 4: Simplify right side
    68,449.50x = 4,439,325,854.74
  5. Step 5: Solve for x
    x = 4,439,325,854.74/68,449.50
  6. Step 6: Final answer
    x = 64,855.49

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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.