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Finding the Fourth Proportional to 119,355, 164,710.08 and 69,057.24

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Solution

The fourth proportional to 119,355, 164,710.08 and 69,057.24 is: 95,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,355 : 164,710.08 = 69,057.24 : x
  2. Step 2: Convert to fraction form
    119,355/164,710.08 = 69,057.24/x
  3. Step 3: Cross multiply
    119,355x = 164,710.08 × 69,057.24
  4. Step 4: Simplify right side
    119,355x = 11,374,423,524.98
  5. Step 5: Solve for x
    x = 11,374,423,524.98/119,355
  6. Step 6: Final answer
    x = 95,299.10

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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.