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Finding the Fourth Proportional to 245,932.38, 368,911.85 and 77,465.93

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Solution

The fourth proportional to 245,932.38, 368,911.85 and 77,465.93 is: 116,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,932.38 : 368,911.85 = 77,465.93 : x
  2. Step 2: Convert to fraction form
    245,932.38/368,911.85 = 77,465.93/x
  3. Step 3: Cross multiply
    245,932.38x = 368,911.85 × 77,465.93
  4. Step 4: Simplify right side
    245,932.38x = 28,578,097,316.38
  5. Step 5: Solve for x
    x = 28,578,097,316.38/245,932.38
  6. Step 6: Final answer
    x = 116,203.07

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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.