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Finding the Fourth Proportional to 88,706.76, 122,442.47 and 54,725.82

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Solution

The fourth proportional to 88,706.76, 122,442.47 and 54,725.82 is: 75,538.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706.76 : 122,442.47 = 54,725.82 : x
  2. Step 2: Convert to fraction form
    88,706.76/122,442.47 = 54,725.82/x
  3. Step 3: Cross multiply
    88,706.76x = 122,442.47 × 54,725.82
  4. Step 4: Simplify right side
    88,706.76x = 6,700,764,299.95
  5. Step 5: Solve for x
    x = 6,700,764,299.95/88,706.76
  6. Step 6: Final answer
    x = 75,538.37

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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.