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Finding the Fourth Proportional to 88,351.60, 121,922.43 and 48,064.32

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Solution

The fourth proportional to 88,351.60, 121,922.43 and 48,064.32 is: 66,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,351.60 : 121,922.43 = 48,064.32 : x
  2. Step 2: Convert to fraction form
    88,351.60/121,922.43 = 48,064.32/x
  3. Step 3: Cross multiply
    88,351.60x = 121,922.43 × 48,064.32
  4. Step 4: Simplify right side
    88,351.60x = 5,860,118,690.70
  5. Step 5: Solve for x
    x = 5,860,118,690.70/88,351.60
  6. Step 6: Final answer
    x = 66,327.25

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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.