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Finding the Fourth Proportional to 148,892.80, 223,317.60 and 43,700.80

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Solution

The fourth proportional to 148,892.80, 223,317.60 and 43,700.80 is: 65,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,892.80 : 223,317.60 = 43,700.80 : x
  2. Step 2: Convert to fraction form
    148,892.80/223,317.60 = 43,700.80/x
  3. Step 3: Cross multiply
    148,892.80x = 223,317.60 × 43,700.80
  4. Step 4: Simplify right side
    148,892.80x = 9,759,157,774.08
  5. Step 5: Solve for x
    x = 9,759,157,774.08/148,892.80
  6. Step 6: Final answer
    x = 65,544.86

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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.