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Finding the Fourth Proportional to 93,201.15, 139,767.70 and 34,019.31

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Solution

The fourth proportional to 93,201.15, 139,767.70 and 34,019.31 is: 51,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,201.15 : 139,767.70 = 34,019.31 : x
  2. Step 2: Convert to fraction form
    93,201.15/139,767.70 = 34,019.31/x
  3. Step 3: Cross multiply
    93,201.15x = 139,767.70 × 34,019.31
  4. Step 4: Simplify right side
    93,201.15x = 4,754,800,714.29
  5. Step 5: Solve for x
    x = 4,754,800,714.29/93,201.15
  6. Step 6: Final answer
    x = 51,016.55

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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.