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Finding the Fourth Proportional to 192,838.87, 266,132.40 and 111,180.40

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Solution

The fourth proportional to 192,838.87, 266,132.40 and 111,180.40 is: 153,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,838.87 : 266,132.40 = 111,180.40 : x
  2. Step 2: Convert to fraction form
    192,838.87/266,132.40 = 111,180.40/x
  3. Step 3: Cross multiply
    192,838.87x = 266,132.40 × 111,180.40
  4. Step 4: Simplify right side
    192,838.87x = 29,588,706,684.96
  5. Step 5: Solve for x
    x = 29,588,706,684.96/192,838.87
  6. Step 6: Final answer
    x = 153,437.46

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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.