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Finding the Fourth Proportional to 89,250.76, 133,928.74 and 33,130.28

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Solution

The fourth proportional to 89,250.76, 133,928.74 and 33,130.28 is: 49,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,250.76 : 133,928.74 = 33,130.28 : x
  2. Step 2: Convert to fraction form
    89,250.76/133,928.74 = 33,130.28/x
  3. Step 3: Cross multiply
    89,250.76x = 133,928.74 × 33,130.28
  4. Step 4: Simplify right side
    89,250.76x = 4,437,097,032.48
  5. Step 5: Solve for x
    x = 4,437,097,032.48/89,250.76
  6. Step 6: Final answer
    x = 49,714.95

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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.