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Finding the Fourth Proportional to 229,317.60, 344,008.80 and 71,529.60

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Solution

The fourth proportional to 229,317.60, 344,008.80 and 71,529.60 is: 107,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,317.60 : 344,008.80 = 71,529.60 : x
  2. Step 2: Convert to fraction form
    229,317.60/344,008.80 = 71,529.60/x
  3. Step 3: Cross multiply
    229,317.60x = 344,008.80 × 71,529.60
  4. Step 4: Simplify right side
    229,317.60x = 24,606,811,860.48
  5. Step 5: Solve for x
    x = 24,606,811,860.48/229,317.60
  6. Step 6: Final answer
    x = 107,304.51

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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.