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Finding the Fourth Proportional to 226,842.60, 340,263.90 and 148,045.80

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Solution

The fourth proportional to 226,842.60, 340,263.90 and 148,045.80 is: 222,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,842.60 : 340,263.90 = 148,045.80 : x
  2. Step 2: Convert to fraction form
    226,842.60/340,263.90 = 148,045.80/x
  3. Step 3: Cross multiply
    226,842.60x = 340,263.90 × 148,045.80
  4. Step 4: Simplify right side
    226,842.60x = 50,374,641,286.62
  5. Step 5: Solve for x
    x = 50,374,641,286.62/226,842.60
  6. Step 6: Final answer
    x = 222,068.70

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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.