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Finding the Fourth Proportional to 89,240.92, 133,807.92 and 28,424.96

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Solution

The fourth proportional to 89,240.92, 133,807.92 and 28,424.96 is: 42,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,240.92 : 133,807.92 = 28,424.96 : x
  2. Step 2: Convert to fraction form
    89,240.92/133,807.92 = 28,424.96/x
  3. Step 3: Cross multiply
    89,240.92x = 133,807.92 × 28,424.96
  4. Step 4: Simplify right side
    89,240.92x = 3,803,484,773.68
  5. Step 5: Solve for x
    x = 3,803,484,773.68/89,240.92
  6. Step 6: Final answer
    x = 42,620.41

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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.