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Finding the Fourth Proportional to 192,866.47, 266,098.14 and 124,775.59

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Solution

The fourth proportional to 192,866.47, 266,098.14 and 124,775.59 is: 172,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,866.47 : 266,098.14 = 124,775.59 : x
  2. Step 2: Convert to fraction form
    192,866.47/266,098.14 = 124,775.59/x
  3. Step 3: Cross multiply
    192,866.47x = 266,098.14 × 124,775.59
  4. Step 4: Simplify right side
    192,866.47x = 33,202,551,751.16
  5. Step 5: Solve for x
    x = 33,202,551,751.16/192,866.47
  6. Step 6: Final answer
    x = 172,153.06

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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.