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Finding the Fourth Proportional to 217,725.92, 326,588.88 and 59,955.92

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Solution

The fourth proportional to 217,725.92, 326,588.88 and 59,955.92 is: 89,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,725.92 : 326,588.88 = 59,955.92 : x
  2. Step 2: Convert to fraction form
    217,725.92/326,588.88 = 59,955.92/x
  3. Step 3: Cross multiply
    217,725.92x = 326,588.88 × 59,955.92
  4. Step 4: Simplify right side
    217,725.92x = 19,580,936,762.17
  5. Step 5: Solve for x
    x = 19,580,936,762.17/217,725.92
  6. Step 6: Final answer
    x = 89,933.88

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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.