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Finding the Fourth Proportional to 171,003.58, 256,281.72 and 91,947.58

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Solution

The fourth proportional to 171,003.58, 256,281.72 and 91,947.58 is: 137,801.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,003.58 : 256,281.72 = 91,947.58 : x
  2. Step 2: Convert to fraction form
    171,003.58/256,281.72 = 91,947.58/x
  3. Step 3: Cross multiply
    171,003.58x = 256,281.72 × 91,947.58
  4. Step 4: Simplify right side
    171,003.58x = 23,564,483,952.24
  5. Step 5: Solve for x
    x = 23,564,483,952.24/171,003.58
  6. Step 6: Final answer
    x = 137,801.11

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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.