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Finding the Fourth Proportional to 270,917.69, 406,395.99 and 93,422.13

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Solution

The fourth proportional to 270,917.69, 406,395.99 and 93,422.13 is: 140,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,917.69 : 406,395.99 = 93,422.13 : x
  2. Step 2: Convert to fraction form
    270,917.69/406,395.99 = 93,422.13/x
  3. Step 3: Cross multiply
    270,917.69x = 406,395.99 × 93,422.13
  4. Step 4: Simplify right side
    270,917.69x = 37,966,379,009.26
  5. Step 5: Solve for x
    x = 37,966,379,009.26/270,917.69
  6. Step 6: Final answer
    x = 140,139.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.