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Finding the Fourth Proportional to 245,516.27, 368,338.49 and 77,041.94

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Solution

The fourth proportional to 245,516.27, 368,338.49 and 77,041.94 is: 115,583.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,516.27 : 368,338.49 = 77,041.94 : x
  2. Step 2: Convert to fraction form
    245,516.27/368,338.49 = 77,041.94/x
  3. Step 3: Cross multiply
    245,516.27x = 368,338.49 × 77,041.94
  4. Step 4: Simplify right side
    245,516.27x = 28,377,509,908.28
  5. Step 5: Solve for x
    x = 28,377,509,908.28/245,516.27
  6. Step 6: Final answer
    x = 115,583.01

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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.