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Finding the Fourth Proportional to 101,244.60, 139,693.68 and 58,777.92

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Solution

The fourth proportional to 101,244.60, 139,693.68 and 58,777.92 is: 81,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,244.60 : 139,693.68 = 58,777.92 : x
  2. Step 2: Convert to fraction form
    101,244.60/139,693.68 = 58,777.92/x
  3. Step 3: Cross multiply
    101,244.60x = 139,693.68 × 58,777.92
  4. Step 4: Simplify right side
    101,244.60x = 8,210,903,947.55
  5. Step 5: Solve for x
    x = 8,210,903,947.55/101,244.60
  6. Step 6: Final answer
    x = 81,099.67

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1.5x scale

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.