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Finding the Fourth Proportional to 112,551.65, 168,765.14 and 46,038.48

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Solution

The fourth proportional to 112,551.65, 168,765.14 and 46,038.48 is: 69,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,551.65 : 168,765.14 = 46,038.48 : x
  2. Step 2: Convert to fraction form
    112,551.65/168,765.14 = 46,038.48/x
  3. Step 3: Cross multiply
    112,551.65x = 168,765.14 × 46,038.48
  4. Step 4: Simplify right side
    112,551.65x = 7,769,690,292.39
  5. Step 5: Solve for x
    x = 7,769,690,292.39/112,551.65
  6. Step 6: Final answer
    x = 69,032.22

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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.