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Finding the Fourth Proportional to 119,442.08, 164,833.98 and 65,730.98

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Solution

The fourth proportional to 119,442.08, 164,833.98 and 65,730.98 is: 90,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,442.08 : 164,833.98 = 65,730.98 : x
  2. Step 2: Convert to fraction form
    119,442.08/164,833.98 = 65,730.98/x
  3. Step 3: Cross multiply
    119,442.08x = 164,833.98 × 65,730.98
  4. Step 4: Simplify right side
    119,442.08x = 10,834,699,042.70
  5. Step 5: Solve for x
    x = 10,834,699,042.70/119,442.08
  6. Step 6: Final answer
    x = 90,710.90

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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.