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Finding the Fourth Proportional to 183,719.07, 275,578.80 and 72,911.07

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Solution

The fourth proportional to 183,719.07, 275,578.80 and 72,911.07 is: 109,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,719.07 : 275,578.80 = 72,911.07 : x
  2. Step 2: Convert to fraction form
    183,719.07/275,578.80 = 72,911.07/x
  3. Step 3: Cross multiply
    183,719.07x = 275,578.80 × 72,911.07
  4. Step 4: Simplify right side
    183,719.07x = 20,092,745,177.32
  5. Step 5: Solve for x
    x = 20,092,745,177.32/183,719.07
  6. Step 6: Final answer
    x = 109,366.68

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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.