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Finding the Fourth Proportional to 164,545.80, 246,769.80 and 69,774.59

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Solution

The fourth proportional to 164,545.80, 246,769.80 and 69,774.59 is: 104,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,545.80 : 246,769.80 = 69,774.59 : x
  2. Step 2: Convert to fraction form
    164,545.80/246,769.80 = 69,774.59/x
  3. Step 3: Cross multiply
    164,545.80x = 246,769.80 × 69,774.59
  4. Step 4: Simplify right side
    164,545.80x = 17,218,261,002.46
  5. Step 5: Solve for x
    x = 17,218,261,002.46/164,545.80
  6. Step 6: Final answer
    x = 104,641.14

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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.