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Finding the Fourth Proportional to 89,131.68, 133,699.68 and 26,802.24

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Solution

The fourth proportional to 89,131.68, 133,699.68 and 26,802.24 is: 40,204.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,131.68 : 133,699.68 = 26,802.24 : x
  2. Step 2: Convert to fraction form
    89,131.68/133,699.68 = 26,802.24/x
  3. Step 3: Cross multiply
    89,131.68x = 133,699.68 × 26,802.24
  4. Step 4: Simplify right side
    89,131.68x = 3,583,450,911.28
  5. Step 5: Solve for x
    x = 3,583,450,911.28/89,131.68
  6. Step 6: Final answer
    x = 40,204.01

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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.