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Finding the Fourth Proportional to 117,594.94, 162,235.15 and 66,595.90

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Solution

The fourth proportional to 117,594.94, 162,235.15 and 66,595.90 is: 91,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,594.94 : 162,235.15 = 66,595.90 : x
  2. Step 2: Convert to fraction form
    117,594.94/162,235.15 = 66,595.90/x
  3. Step 3: Cross multiply
    117,594.94x = 162,235.15 × 66,595.90
  4. Step 4: Simplify right side
    117,594.94x = 10,804,195,825.89
  5. Step 5: Solve for x
    x = 10,804,195,825.89/117,594.94
  6. Step 6: Final answer
    x = 91,876.37

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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.