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Finding the Fourth Proportional to 105,473.36, 158,209.80 and 26,593.76

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Solution

The fourth proportional to 105,473.36, 158,209.80 and 26,593.76 is: 39,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,473.36 : 158,209.80 = 26,593.76 : x
  2. Step 2: Convert to fraction form
    105,473.36/158,209.80 = 26,593.76/x
  3. Step 3: Cross multiply
    105,473.36x = 158,209.80 × 26,593.76
  4. Step 4: Simplify right side
    105,473.36x = 4,207,393,450.85
  5. Step 5: Solve for x
    x = 4,207,393,450.85/105,473.36
  6. Step 6: Final answer
    x = 39,890.58

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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.