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Finding the Fourth Proportional to 181,495.69, 272,243.84 and 70,687.69

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Solution

The fourth proportional to 181,495.69, 272,243.84 and 70,687.69 is: 106,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,495.69 : 272,243.84 = 70,687.69 : x
  2. Step 2: Convert to fraction form
    181,495.69/272,243.84 = 70,687.69/x
  3. Step 3: Cross multiply
    181,495.69x = 272,243.84 × 70,687.69
  4. Step 4: Simplify right side
    181,495.69x = 19,244,287,132.28
  5. Step 5: Solve for x
    x = 19,244,287,132.28/181,495.69
  6. Step 6: Final answer
    x = 106,031.65

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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.