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Finding the Fourth Proportional to 112,574.65, 168,862.17 and 46,014.72

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Solution

The fourth proportional to 112,574.65, 168,862.17 and 46,014.72 is: 69,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,574.65 : 168,862.17 = 46,014.72 : x
  2. Step 2: Convert to fraction form
    112,574.65/168,862.17 = 46,014.72/x
  3. Step 3: Cross multiply
    112,574.65x = 168,862.17 × 46,014.72
  4. Step 4: Simplify right side
    112,574.65x = 7,770,145,471.14
  5. Step 5: Solve for x
    x = 7,770,145,471.14/112,574.65
  6. Step 6: Final answer
    x = 69,022.16

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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.