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Finding the Fourth Proportional to 161,796.13, 242,803.56 and 56,616.01

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Solution

The fourth proportional to 161,796.13, 242,803.56 and 56,616.01 is: 84,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,796.13 : 242,803.56 = 56,616.01 : x
  2. Step 2: Convert to fraction form
    161,796.13/242,803.56 = 56,616.01/x
  3. Step 3: Cross multiply
    161,796.13x = 242,803.56 × 56,616.01
  4. Step 4: Simplify right side
    161,796.13x = 13,746,568,781.00
  5. Step 5: Solve for x
    x = 13,746,568,781.00/161,796.13
  6. Step 6: Final answer
    x = 84,962.28

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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.