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Finding the Fourth Proportional to 88,993.60, 122,805.84 and 48,699.36

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Solution

The fourth proportional to 88,993.60, 122,805.84 and 48,699.36 is: 67,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,993.60 : 122,805.84 = 48,699.36 : x
  2. Step 2: Convert to fraction form
    88,993.60/122,805.84 = 48,699.36/x
  3. Step 3: Cross multiply
    88,993.60x = 122,805.84 × 48,699.36
  4. Step 4: Simplify right side
    88,993.60x = 5,980,565,812.26
  5. Step 5: Solve for x
    x = 5,980,565,812.26/88,993.60
  6. Step 6: Final answer
    x = 67,202.20

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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.