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Finding the Fourth Proportional to 107,999.70, 161,950.95 and 41,417.70

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Solution

The fourth proportional to 107,999.70, 161,950.95 and 41,417.70 is: 62,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,999.70 : 161,950.95 = 41,417.70 : x
  2. Step 2: Convert to fraction form
    107,999.70/161,950.95 = 41,417.70/x
  3. Step 3: Cross multiply
    107,999.70x = 161,950.95 × 41,417.70
  4. Step 4: Simplify right side
    107,999.70x = 6,707,635,861.82
  5. Step 5: Solve for x
    x = 6,707,635,861.82/107,999.70
  6. Step 6: Final answer
    x = 62,107.91

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1.5x scale

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.