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Finding the Fourth Proportional to 230,039.94, 345,130.33 and 117,799.62

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Solution

The fourth proportional to 230,039.94, 345,130.33 and 117,799.62 is: 176,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,039.94 : 345,130.33 = 117,799.62 : x
  2. Step 2: Convert to fraction form
    230,039.94/345,130.33 = 117,799.62/x
  3. Step 3: Cross multiply
    230,039.94x = 345,130.33 × 117,799.62
  4. Step 4: Simplify right side
    230,039.94x = 40,656,221,135.48
  5. Step 5: Solve for x
    x = 40,656,221,135.48/230,039.94
  6. Step 6: Final answer
    x = 176,735.49

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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.