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Finding the Fourth Proportional to 207,617.58, 286,512.27 and 112,124.27

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Solution

The fourth proportional to 207,617.58, 286,512.27 and 112,124.27 is: 154,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,617.58 : 286,512.27 = 112,124.27 : x
  2. Step 2: Convert to fraction form
    207,617.58/286,512.27 = 112,124.27/x
  3. Step 3: Cross multiply
    207,617.58x = 286,512.27 × 112,124.27
  4. Step 4: Simplify right side
    207,617.58x = 32,124,979,836.07
  5. Step 5: Solve for x
    x = 32,124,979,836.07/207,617.58
  6. Step 6: Final answer
    x = 154,731.50

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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.