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Finding the Fourth Proportional to 207,095.36, 310,237.06 and 107,321

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Solution

The fourth proportional to 207,095.36, 310,237.06 and 107,321 is: 160,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,095.36 : 310,237.06 = 107,321 : x
  2. Step 2: Convert to fraction form
    207,095.36/310,237.06 = 107,321/x
  3. Step 3: Cross multiply
    207,095.36x = 310,237.06 × 107,321
  4. Step 4: Simplify right side
    207,095.36x = 33,294,951,516.26
  5. Step 5: Solve for x
    x = 33,294,951,516.26/207,095.36
  6. Step 6: Final answer
    x = 160,771.11

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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.