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Finding the Fourth Proportional to 119,237.02, 164,545.22 and 65,520.88

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Solution

The fourth proportional to 119,237.02, 164,545.22 and 65,520.88 is: 90,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,237.02 : 164,545.22 = 65,520.88 : x
  2. Step 2: Convert to fraction form
    119,237.02/164,545.22 = 65,520.88/x
  3. Step 3: Cross multiply
    119,237.02x = 164,545.22 × 65,520.88
  4. Step 4: Simplify right side
    119,237.02x = 10,781,147,366.63
  5. Step 5: Solve for x
    x = 10,781,147,366.63/119,237.02
  6. Step 6: Final answer
    x = 90,417.79

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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.