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Finding the Fourth Proportional to 89,599.92, 123,596.46 and 56,007.60

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Solution

The fourth proportional to 89,599.92, 123,596.46 and 56,007.60 is: 77,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,599.92 : 123,596.46 = 56,007.60 : x
  2. Step 2: Convert to fraction form
    89,599.92/123,596.46 = 56,007.60/x
  3. Step 3: Cross multiply
    89,599.92x = 123,596.46 × 56,007.60
  4. Step 4: Simplify right side
    89,599.92x = 6,922,341,093.10
  5. Step 5: Solve for x
    x = 6,922,341,093.10/89,599.92
  6. Step 6: Final answer
    x = 77,258.34

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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.