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Finding the Fourth Proportional to 114,188.87, 157,569.95 and 68,239.38

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Solution

The fourth proportional to 114,188.87, 157,569.95 and 68,239.38 is: 94,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,188.87 : 157,569.95 = 68,239.38 : x
  2. Step 2: Convert to fraction form
    114,188.87/157,569.95 = 68,239.38/x
  3. Step 3: Cross multiply
    114,188.87x = 157,569.95 × 68,239.38
  4. Step 4: Simplify right side
    114,188.87x = 10,752,475,353.43
  5. Step 5: Solve for x
    x = 10,752,475,353.43/114,188.87
  6. Step 6: Final answer
    x = 94,163.96

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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.