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Finding the Fourth Proportional to 88,776.65, 122,511.05 and 48,490.44

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Solution

The fourth proportional to 88,776.65, 122,511.05 and 48,490.44 is: 66,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,776.65 : 122,511.05 = 48,490.44 : x
  2. Step 2: Convert to fraction form
    88,776.65/122,511.05 = 48,490.44/x
  3. Step 3: Cross multiply
    88,776.65x = 122,511.05 × 48,490.44
  4. Step 4: Simplify right side
    88,776.65x = 5,940,614,476.91
  5. Step 5: Solve for x
    x = 5,940,614,476.91/88,776.65
  6. Step 6: Final answer
    x = 66,916.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.