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Finding the Fourth Proportional to 169,332.72, 253,979.64 and 44,683.44

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Solution

The fourth proportional to 169,332.72, 253,979.64 and 44,683.44 is: 67,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,332.72 : 253,979.64 = 44,683.44 : x
  2. Step 2: Convert to fraction form
    169,332.72/253,979.64 = 44,683.44/x
  3. Step 3: Cross multiply
    169,332.72x = 253,979.64 × 44,683.44
  4. Step 4: Simplify right side
    169,332.72x = 11,348,684,005.16
  5. Step 5: Solve for x
    x = 11,348,684,005.16/169,332.72
  6. Step 6: Final answer
    x = 67,020.03

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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.