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Finding the Fourth Proportional to 89,303.65, 133,955.46 and 26,974.15

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Solution

The fourth proportional to 89,303.65, 133,955.46 and 26,974.15 is: 40,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,303.65 : 133,955.46 = 26,974.15 : x
  2. Step 2: Convert to fraction form
    89,303.65/133,955.46 = 26,974.15/x
  3. Step 3: Cross multiply
    89,303.65x = 133,955.46 × 26,974.15
  4. Step 4: Simplify right side
    89,303.65x = 3,613,334,671.36
  5. Step 5: Solve for x
    x = 3,613,334,671.36/89,303.65
  6. Step 6: Final answer
    x = 40,461.22

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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.