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Finding the Fourth Proportional to 114,766.16, 158,352.72 and 66,997.82

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Solution

The fourth proportional to 114,766.16, 158,352.72 and 66,997.82 is: 92,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,766.16 : 158,352.72 = 66,997.82 : x
  2. Step 2: Convert to fraction form
    114,766.16/158,352.72 = 66,997.82/x
  3. Step 3: Cross multiply
    114,766.16x = 158,352.72 × 66,997.82
  4. Step 4: Simplify right side
    114,766.16x = 10,609,286,239.31
  5. Step 5: Solve for x
    x = 10,609,286,239.31/114,766.16
  6. Step 6: Final answer
    x = 92,442.64

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1.5x scale

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.