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Finding the Fourth Proportional to 202,506.60, 303,614.10 and 113,787.30

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Solution

The fourth proportional to 202,506.60, 303,614.10 and 113,787.30 is: 170,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,506.60 : 303,614.10 = 113,787.30 : x
  2. Step 2: Convert to fraction form
    202,506.60/303,614.10 = 113,787.30/x
  3. Step 3: Cross multiply
    202,506.60x = 303,614.10 × 113,787.30
  4. Step 4: Simplify right side
    202,506.60x = 34,547,428,680.93
  5. Step 5: Solve for x
    x = 34,547,428,680.93/202,506.60
  6. Step 6: Final answer
    x = 170,599.03

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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.