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Finding the Fourth Proportional to 73,233.60, 109,850.40 and 48,307.20

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Solution

The fourth proportional to 73,233.60, 109,850.40 and 48,307.20 is: 72,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,233.60 : 109,850.40 = 48,307.20 : x
  2. Step 2: Convert to fraction form
    73,233.60/109,850.40 = 48,307.20/x
  3. Step 3: Cross multiply
    73,233.60x = 109,850.40 × 48,307.20
  4. Step 4: Simplify right side
    73,233.60x = 5,306,565,242.88
  5. Step 5: Solve for x
    x = 5,306,565,242.88/73,233.60
  6. Step 6: Final answer
    x = 72,460.80

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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.