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Finding the Fourth Proportional to 104,785.53, 157,138.61 and 44,811.50

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Solution

The fourth proportional to 104,785.53, 157,138.61 and 44,811.50 is: 67,200.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,785.53 : 157,138.61 = 44,811.50 : x
  2. Step 2: Convert to fraction form
    104,785.53/157,138.61 = 44,811.50/x
  3. Step 3: Cross multiply
    104,785.53x = 157,138.61 × 44,811.50
  4. Step 4: Simplify right side
    104,785.53x = 7,041,615,812.26
  5. Step 5: Solve for x
    x = 7,041,615,812.26/104,785.53
  6. Step 6: Final answer
    x = 67,200.27

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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.