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Finding the Fourth Proportional to 92,970.56, 139,412.28 and 33,764.96

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Solution

The fourth proportional to 92,970.56, 139,412.28 and 33,764.96 is: 50,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,970.56 : 139,412.28 = 33,764.96 : x
  2. Step 2: Convert to fraction form
    92,970.56/139,412.28 = 33,764.96/x
  3. Step 3: Cross multiply
    92,970.56x = 139,412.28 × 33,764.96
  4. Step 4: Simplify right side
    92,970.56x = 4,707,250,057.71
  5. Step 5: Solve for x
    x = 4,707,250,057.71/92,970.56
  6. Step 6: Final answer
    x = 50,631.62

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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.