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Finding the Fourth Proportional to 85,097.94, 127,647.07 and 35,123.22

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Solution

The fourth proportional to 85,097.94, 127,647.07 and 35,123.22 is: 52,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,097.94 : 127,647.07 = 35,123.22 : x
  2. Step 2: Convert to fraction form
    85,097.94/127,647.07 = 35,123.22/x
  3. Step 3: Cross multiply
    85,097.94x = 127,647.07 × 35,123.22
  4. Step 4: Simplify right side
    85,097.94x = 4,483,376,121.97
  5. Step 5: Solve for x
    x = 4,483,376,121.97/85,097.94
  6. Step 6: Final answer
    x = 52,684.90

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1.5x scale

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.