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Finding the Fourth Proportional to 115,551.98, 159,462.80 and 67,806.14

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Solution

The fourth proportional to 115,551.98, 159,462.80 and 67,806.14 is: 93,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,551.98 : 159,462.80 = 67,806.14 : x
  2. Step 2: Convert to fraction form
    115,551.98/159,462.80 = 67,806.14/x
  3. Step 3: Cross multiply
    115,551.98x = 159,462.80 × 67,806.14
  4. Step 4: Simplify right side
    115,551.98x = 10,812,556,941.59
  5. Step 5: Solve for x
    x = 10,812,556,941.59/115,551.98
  6. Step 6: Final answer
    x = 93,573.10

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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.