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Finding the Fourth Proportional to 192,230.90, 288,637.95 and 147,907.70

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Solution

The fourth proportional to 192,230.90, 288,637.95 and 147,907.70 is: 222,085.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,230.90 : 288,637.95 = 147,907.70 : x
  2. Step 2: Convert to fraction form
    192,230.90/288,637.95 = 147,907.70/x
  3. Step 3: Cross multiply
    192,230.90x = 288,637.95 × 147,907.70
  4. Step 4: Simplify right side
    192,230.90x = 42,691,775,317.22
  5. Step 5: Solve for x
    x = 42,691,775,317.22/192,230.90
  6. Step 6: Final answer
    x = 222,085.91

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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.