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Finding the Fourth Proportional to 222,177.60, 333,266.16 and 72,417.84

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Solution

The fourth proportional to 222,177.60, 333,266.16 and 72,417.84 is: 108,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,177.60 : 333,266.16 = 72,417.84 : x
  2. Step 2: Convert to fraction form
    222,177.60/333,266.16 = 72,417.84/x
  3. Step 3: Cross multiply
    222,177.60x = 333,266.16 × 72,417.84
  4. Step 4: Simplify right side
    222,177.60x = 24,134,415,452.29
  5. Step 5: Solve for x
    x = 24,134,415,452.29/222,177.60
  6. Step 6: Final answer
    x = 108,626.68

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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.