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Finding the Fourth Proportional to 168,842.93, 253,310.47 and 56,541.65

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Solution

The fourth proportional to 168,842.93, 253,310.47 and 56,541.65 is: 84,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,842.93 : 253,310.47 = 56,541.65 : x
  2. Step 2: Convert to fraction form
    168,842.93/253,310.47 = 56,541.65/x
  3. Step 3: Cross multiply
    168,842.93x = 253,310.47 × 56,541.65
  4. Step 4: Simplify right side
    168,842.93x = 14,322,590,528.17
  5. Step 5: Solve for x
    x = 14,322,590,528.17/168,842.93
  6. Step 6: Final answer
    x = 84,827.90

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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.