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Finding the Fourth Proportional to 88,793.80, 122,533.44 and 48,507.76

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Solution

The fourth proportional to 88,793.80, 122,533.44 and 48,507.76 is: 66,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,793.80 : 122,533.44 = 48,507.76 : x
  2. Step 2: Convert to fraction form
    88,793.80/122,533.44 = 48,507.76/x
  3. Step 3: Cross multiply
    88,793.80x = 122,533.44 × 48,507.76
  4. Step 4: Simplify right side
    88,793.80x = 5,943,822,699.49
  5. Step 5: Solve for x
    x = 5,943,822,699.49/88,793.80
  6. Step 6: Final answer
    x = 66,939.61

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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.