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Finding the Fourth Proportional to 89,303.64, 133,955.06 and 26,974.14

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Solution

The fourth proportional to 89,303.64, 133,955.06 and 26,974.14 is: 40,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,303.64 : 133,955.06 = 26,974.14 : x
  2. Step 2: Convert to fraction form
    89,303.64/133,955.06 = 26,974.14/x
  3. Step 3: Cross multiply
    89,303.64x = 133,955.06 × 26,974.14
  4. Step 4: Simplify right side
    89,303.64x = 3,613,322,407.28
  5. Step 5: Solve for x
    x = 3,613,322,407.28/89,303.64
  6. Step 6: Final answer
    x = 40,461.09

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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.