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Finding the Fourth Proportional to 68,095.93, 102,143.55 and 17,494.90

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Solution

The fourth proportional to 68,095.93, 102,143.55 and 17,494.90 is: 26,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,095.93 : 102,143.55 = 17,494.90 : x
  2. Step 2: Convert to fraction form
    68,095.93/102,143.55 = 17,494.90/x
  3. Step 3: Cross multiply
    68,095.93x = 102,143.55 × 17,494.90
  4. Step 4: Simplify right side
    68,095.93x = 1,786,991,236.63
  5. Step 5: Solve for x
    x = 1,786,991,236.63/68,095.93
  6. Step 6: Final answer
    x = 26,242.26

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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.