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Finding the Fourth Proportional to 192,888.87, 266,143.59 and 116,420.37

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Solution

The fourth proportional to 192,888.87, 266,143.59 and 116,420.37 is: 160,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,888.87 : 266,143.59 = 116,420.37 : x
  2. Step 2: Convert to fraction form
    192,888.87/266,143.59 = 116,420.37/x
  3. Step 3: Cross multiply
    192,888.87x = 266,143.59 × 116,420.37
  4. Step 4: Simplify right side
    192,888.87x = 30,984,535,220.93
  5. Step 5: Solve for x
    x = 30,984,535,220.93/192,888.87
  6. Step 6: Final answer
    x = 160,634.13

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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.