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Finding the Fourth Proportional to 245,952.66, 368,942.28 and 77,486.22

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Solution

The fourth proportional to 245,952.66, 368,942.28 and 77,486.22 is: 116,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,952.66 : 368,942.28 = 77,486.22 : x
  2. Step 2: Convert to fraction form
    245,952.66/368,942.28 = 77,486.22/x
  3. Step 3: Cross multiply
    245,952.66x = 368,942.28 × 77,486.22
  4. Step 4: Simplify right side
    245,952.66x = 28,587,942,675.38
  5. Step 5: Solve for x
    x = 28,587,942,675.38/245,952.66
  6. Step 6: Final answer
    x = 116,233.52

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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.