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Finding the Fourth Proportional to 202,048.70, 303,087.45 and 61,807.10

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Solution

The fourth proportional to 202,048.70, 303,087.45 and 61,807.10 is: 92,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,048.70 : 303,087.45 = 61,807.10 : x
  2. Step 2: Convert to fraction form
    202,048.70/303,087.45 = 61,807.10/x
  3. Step 3: Cross multiply
    202,048.70x = 303,087.45 × 61,807.10
  4. Step 4: Simplify right side
    202,048.70x = 18,732,956,330.90
  5. Step 5: Solve for x
    x = 18,732,956,330.90/202,048.70
  6. Step 6: Final answer
    x = 92,715.05

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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.