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Finding the Fourth Proportional to 188,695.60, 283,011.63 and 53,750.19

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Solution

The fourth proportional to 188,695.60, 283,011.63 and 53,750.19 is: 80,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,695.60 : 283,011.63 = 53,750.19 : x
  2. Step 2: Convert to fraction form
    188,695.60/283,011.63 = 53,750.19/x
  3. Step 3: Cross multiply
    188,695.60x = 283,011.63 × 53,750.19
  4. Step 4: Simplify right side
    188,695.60x = 15,211,928,884.71
  5. Step 5: Solve for x
    x = 15,211,928,884.71/188,695.60
  6. Step 6: Final answer
    x = 80,616.24

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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.