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Finding the Fourth Proportional to 105,368.57, 158,063.22 and 38,793.12

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Solution

The fourth proportional to 105,368.57, 158,063.22 and 38,793.12 is: 58,193.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,368.57 : 158,063.22 = 38,793.12 : x
  2. Step 2: Convert to fraction form
    105,368.57/158,063.22 = 38,793.12/x
  3. Step 3: Cross multiply
    105,368.57x = 158,063.22 × 38,793.12
  4. Step 4: Simplify right side
    105,368.57x = 6,131,765,461.05
  5. Step 5: Solve for x
    x = 6,131,765,461.05/105,368.57
  6. Step 6: Final answer
    x = 58,193.50

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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.