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Finding the Fourth Proportional to 181,802.80, 272,704.20 and 115,536.70

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Solution

The fourth proportional to 181,802.80, 272,704.20 and 115,536.70 is: 173,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,802.80 : 272,704.20 = 115,536.70 : x
  2. Step 2: Convert to fraction form
    181,802.80/272,704.20 = 115,536.70/x
  3. Step 3: Cross multiply
    181,802.80x = 272,704.20 × 115,536.70
  4. Step 4: Simplify right side
    181,802.80x = 31,507,343,344.14
  5. Step 5: Solve for x
    x = 31,507,343,344.14/181,802.80
  6. Step 6: Final answer
    x = 173,305.05

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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.