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Finding the Fourth Proportional to 46,806.66, 70,148.83 and 40,868.55

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Solution

The fourth proportional to 46,806.66, 70,148.83 and 40,868.55 is: 61,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,806.66 : 70,148.83 = 40,868.55 : x
  2. Step 2: Convert to fraction form
    46,806.66/70,148.83 = 40,868.55/x
  3. Step 3: Cross multiply
    46,806.66x = 70,148.83 × 40,868.55
  4. Step 4: Simplify right side
    46,806.66x = 2,866,880,966.30
  5. Step 5: Solve for x
    x = 2,866,880,966.30/46,806.66
  6. Step 6: Final answer
    x = 61,249.42

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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.