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Finding the Fourth Proportional to 90,026.17, 135,046.14 and 26,841.48

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Solution

The fourth proportional to 90,026.17, 135,046.14 and 26,841.48 is: 40,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,026.17 : 135,046.14 = 26,841.48 : x
  2. Step 2: Convert to fraction form
    90,026.17/135,046.14 = 26,841.48/x
  3. Step 3: Cross multiply
    90,026.17x = 135,046.14 × 26,841.48
  4. Step 4: Simplify right side
    90,026.17x = 3,624,837,658.81
  5. Step 5: Solve for x
    x = 3,624,837,658.81/90,026.17
  6. Step 6: Final answer
    x = 40,264.27

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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.