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Finding the Fourth Proportional to 133,327.65, 183,992.17 and 72,898.33

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Solution

The fourth proportional to 133,327.65, 183,992.17 and 72,898.33 is: 100,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,327.65 : 183,992.17 = 72,898.33 : x
  2. Step 2: Convert to fraction form
    133,327.65/183,992.17 = 72,898.33/x
  3. Step 3: Cross multiply
    133,327.65x = 183,992.17 × 72,898.33
  4. Step 4: Simplify right side
    133,327.65x = 13,412,721,973.82
  5. Step 5: Solve for x
    x = 13,412,721,973.82/133,327.65
  6. Step 6: Final answer
    x = 100,599.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.