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Finding the Fourth Proportional to 181,995.80, 272,993.70 and 93,422.30

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Solution

The fourth proportional to 181,995.80, 272,993.70 and 93,422.30 is: 140,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,995.80 : 272,993.70 = 93,422.30 : x
  2. Step 2: Convert to fraction form
    181,995.80/272,993.70 = 93,422.30/x
  3. Step 3: Cross multiply
    181,995.80x = 272,993.70 × 93,422.30
  4. Step 4: Simplify right side
    181,995.80x = 25,503,699,339.51
  5. Step 5: Solve for x
    x = 25,503,699,339.51/181,995.80
  6. Step 6: Final answer
    x = 140,133.45

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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.