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Finding the Fourth Proportional to 164,714.79, 247,072.20 and 40,054.71

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Solution

The fourth proportional to 164,714.79, 247,072.20 and 40,054.71 is: 60,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,714.79 : 247,072.20 = 40,054.71 : x
  2. Step 2: Convert to fraction form
    164,714.79/247,072.20 = 40,054.71/x
  3. Step 3: Cross multiply
    164,714.79x = 247,072.20 × 40,054.71
  4. Step 4: Simplify right side
    164,714.79x = 9,896,405,320.06
  5. Step 5: Solve for x
    x = 9,896,405,320.06/164,714.79
  6. Step 6: Final answer
    x = 60,082.07

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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.