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Finding the Fourth Proportional to 192,880.77, 266,683.15 and 168,938.59

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Solution

The fourth proportional to 192,880.77, 266,683.15 and 168,938.59 is: 233,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,880.77 : 266,683.15 = 168,938.59 : x
  2. Step 2: Convert to fraction form
    192,880.77/266,683.15 = 168,938.59/x
  3. Step 3: Cross multiply
    192,880.77x = 266,683.15 × 168,938.59
  4. Step 4: Simplify right side
    192,880.77x = 45,053,074,632.21
  5. Step 5: Solve for x
    x = 45,053,074,632.21/192,880.77
  6. Step 6: Final answer
    x = 233,579.92

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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.