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Finding the Fourth Proportional to 117,314.52, 161,902.62 and 67,012.44

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Solution

The fourth proportional to 117,314.52, 161,902.62 and 67,012.44 is: 92,482.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,314.52 : 161,902.62 = 67,012.44 : x
  2. Step 2: Convert to fraction form
    117,314.52/161,902.62 = 67,012.44/x
  3. Step 3: Cross multiply
    117,314.52x = 161,902.62 × 67,012.44
  4. Step 4: Simplify right side
    117,314.52x = 10,849,489,608.59
  5. Step 5: Solve for x
    x = 10,849,489,608.59/117,314.52
  6. Step 6: Final answer
    x = 92,482.07

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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.