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Finding the Fourth Proportional to 88,003.40, 131,907.90 and 48,588.80

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Solution

The fourth proportional to 88,003.40, 131,907.90 and 48,588.80 is: 72,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,003.40 : 131,907.90 = 48,588.80 : x
  2. Step 2: Convert to fraction form
    88,003.40/131,907.90 = 48,588.80/x
  3. Step 3: Cross multiply
    88,003.40x = 131,907.90 × 48,588.80
  4. Step 4: Simplify right side
    88,003.40x = 6,409,246,571.52
  5. Step 5: Solve for x
    x = 6,409,246,571.52/88,003.40
  6. Step 6: Final answer
    x = 72,829.53

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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.