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Finding the Fourth Proportional to 192,801.65, 266,068.99 and 111,084.74

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Solution

The fourth proportional to 192,801.65, 266,068.99 and 111,084.74 is: 153,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,801.65 : 266,068.99 = 111,084.74 : x
  2. Step 2: Convert to fraction form
    192,801.65/266,068.99 = 111,084.74/x
  3. Step 3: Cross multiply
    192,801.65x = 266,068.99 × 111,084.74
  4. Step 4: Simplify right side
    192,801.65x = 29,556,204,382.48
  5. Step 5: Solve for x
    x = 29,556,204,382.48/192,801.65
  6. Step 6: Final answer
    x = 153,298.51

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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.