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Finding the Fourth Proportional to 181,646.40, 272,469.60 and 169,982.40

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Solution

The fourth proportional to 181,646.40, 272,469.60 and 169,982.40 is: 254,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,646.40 : 272,469.60 = 169,982.40 : x
  2. Step 2: Convert to fraction form
    181,646.40/272,469.60 = 169,982.40/x
  3. Step 3: Cross multiply
    181,646.40x = 272,469.60 × 169,982.40
  4. Step 4: Simplify right side
    181,646.40x = 46,315,036,535.04
  5. Step 5: Solve for x
    x = 46,315,036,535.04/181,646.40
  6. Step 6: Final answer
    x = 254,973.60

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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.