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Finding the Fourth Proportional to 207,793.81, 286,756.77 and 112,300.28

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Solution

The fourth proportional to 207,793.81, 286,756.77 and 112,300.28 is: 154,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,793.81 : 286,756.77 = 112,300.28 : x
  2. Step 2: Convert to fraction form
    207,793.81/286,756.77 = 112,300.28/x
  3. Step 3: Cross multiply
    207,793.81x = 286,756.77 × 112,300.28
  4. Step 4: Simplify right side
    207,793.81x = 32,202,865,562.90
  5. Step 5: Solve for x
    x = 32,202,865,562.90/207,793.81
  6. Step 6: Final answer
    x = 154,975.10

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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.