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Finding the Fourth Proportional to 148,486.64, 222,729.95 and 43,314.08

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Solution

The fourth proportional to 148,486.64, 222,729.95 and 43,314.08 is: 64,971.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,486.64 : 222,729.95 = 43,314.08 : x
  2. Step 2: Convert to fraction form
    148,486.64/222,729.95 = 43,314.08/x
  3. Step 3: Cross multiply
    148,486.64x = 222,729.95 × 43,314.08
  4. Step 4: Simplify right side
    148,486.64x = 9,647,341,867.33
  5. Step 5: Solve for x
    x = 9,647,341,867.33/148,486.64
  6. Step 6: Final answer
    x = 64,971.11

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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.