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Finding the Fourth Proportional to 217,283.52, 326,069.88 and 89,304.76

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Solution

The fourth proportional to 217,283.52, 326,069.88 and 89,304.76 is: 134,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,283.52 : 326,069.88 = 89,304.76 : x
  2. Step 2: Convert to fraction form
    217,283.52/326,069.88 = 89,304.76/x
  3. Step 3: Cross multiply
    217,283.52x = 326,069.88 × 89,304.76
  4. Step 4: Simplify right side
    217,283.52x = 29,119,592,376.63
  5. Step 5: Solve for x
    x = 29,119,592,376.63/217,283.52
  6. Step 6: Final answer
    x = 134,016.57

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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.