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Finding the Fourth Proportional to 117,658.08, 162,382.32 and 67,356

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Solution

The fourth proportional to 117,658.08, 162,382.32 and 67,356 is: 92,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,658.08 : 162,382.32 = 67,356 : x
  2. Step 2: Convert to fraction form
    117,658.08/162,382.32 = 67,356/x
  3. Step 3: Cross multiply
    117,658.08x = 162,382.32 × 67,356
  4. Step 4: Simplify right side
    117,658.08x = 10,937,423,545.92
  5. Step 5: Solve for x
    x = 10,937,423,545.92/117,658.08
  6. Step 6: Final answer
    x = 92,959.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.