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Finding the Fourth Proportional to 207,893.34, 286,872.66 and 117,263.52

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Solution

The fourth proportional to 207,893.34, 286,872.66 and 117,263.52 is: 161,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,893.34 : 286,872.66 = 117,263.52 : x
  2. Step 2: Convert to fraction form
    207,893.34/286,872.66 = 117,263.52/x
  3. Step 3: Cross multiply
    207,893.34x = 286,872.66 × 117,263.52
  4. Step 4: Simplify right side
    207,893.34x = 33,639,697,903.36
  5. Step 5: Solve for x
    x = 33,639,697,903.36/207,893.34
  6. Step 6: Final answer
    x = 161,812.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.