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Finding the Fourth Proportional to 207,718.62, 286,651.32 and 112,225.02

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Solution

The fourth proportional to 207,718.62, 286,651.32 and 112,225.02 is: 154,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,718.62 : 286,651.32 = 112,225.02 : x
  2. Step 2: Convert to fraction form
    207,718.62/286,651.32 = 112,225.02/x
  3. Step 3: Cross multiply
    207,718.62x = 286,651.32 × 112,225.02
  4. Step 4: Simplify right side
    207,718.62x = 32,169,450,120.03
  5. Step 5: Solve for x
    x = 32,169,450,120.03/207,718.62
  6. Step 6: Final answer
    x = 154,870.32

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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.