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Finding the Fourth Proportional to 192,075.30, 288,112.95 and 51,833.70

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Solution

The fourth proportional to 192,075.30, 288,112.95 and 51,833.70 is: 77,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,075.30 : 288,112.95 = 51,833.70 : x
  2. Step 2: Convert to fraction form
    192,075.30/288,112.95 = 51,833.70/x
  3. Step 3: Cross multiply
    192,075.30x = 288,112.95 × 51,833.70
  4. Step 4: Simplify right side
    192,075.30x = 14,933,960,216.42
  5. Step 5: Solve for x
    x = 14,933,960,216.42/192,075.30
  6. Step 6: Final answer
    x = 77,750.55

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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.