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Finding the Fourth Proportional to 276,352.68, 414,531.54 and 89,364.36

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Solution

The fourth proportional to 276,352.68, 414,531.54 and 89,364.36 is: 134,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,352.68 : 414,531.54 = 89,364.36 : x
  2. Step 2: Convert to fraction form
    276,352.68/414,531.54 = 89,364.36/x
  3. Step 3: Cross multiply
    276,352.68x = 414,531.54 × 89,364.36
  4. Step 4: Simplify right side
    276,352.68x = 37,044,345,771.91
  5. Step 5: Solve for x
    x = 37,044,345,771.91/276,352.68
  6. Step 6: Final answer
    x = 134,047.35

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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.