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Finding the Fourth Proportional to 213,502.51, 320,259.39 and 93,497.71

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Solution

The fourth proportional to 213,502.51, 320,259.39 and 93,497.71 is: 140,249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,502.51 : 320,259.39 = 93,497.71 : x
  2. Step 2: Convert to fraction form
    213,502.51/320,259.39 = 93,497.71/x
  3. Step 3: Cross multiply
    213,502.51x = 320,259.39 × 93,497.71
  4. Step 4: Simplify right side
    213,502.51x = 29,943,519,571.00
  5. Step 5: Solve for x
    x = 29,943,519,571.00/213,502.51
  6. Step 6: Final answer
    x = 140,249.03

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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.