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Finding the Fourth Proportional to 148,992.95, 223,629.89 and 54,314.64

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Solution

The fourth proportional to 148,992.95, 223,629.89 and 54,314.64 is: 81,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,992.95 : 223,629.89 = 54,314.64 : x
  2. Step 2: Convert to fraction form
    148,992.95/223,629.89 = 54,314.64/x
  3. Step 3: Cross multiply
    148,992.95x = 223,629.89 × 54,314.64
  4. Step 4: Simplify right side
    148,992.95x = 12,146,376,697.02
  5. Step 5: Solve for x
    x = 12,146,376,697.02/148,992.95
  6. Step 6: Final answer
    x = 81,523.17

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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.