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Finding the Fourth Proportional to 161,796.83, 242,804.58 and 56,616.71

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Solution

The fourth proportional to 161,796.83, 242,804.58 and 56,616.71 is: 84,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,796.83 : 242,804.58 = 56,616.71 : x
  2. Step 2: Convert to fraction form
    161,796.83/242,804.58 = 56,616.71/x
  3. Step 3: Cross multiply
    161,796.83x = 242,804.58 × 56,616.71
  4. Step 4: Simplify right side
    161,796.83x = 13,746,795,278.51
  5. Step 5: Solve for x
    x = 13,746,795,278.51/161,796.83
  6. Step 6: Final answer
    x = 84,963.32

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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.