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Finding the Fourth Proportional to 189,952.80, 263,333.60 and 179,840.76

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Solution

The fourth proportional to 189,952.80, 263,333.60 and 179,840.76 is: 249,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,952.80 : 263,333.60 = 179,840.76 : x
  2. Step 2: Convert to fraction form
    189,952.80/263,333.60 = 179,840.76/x
  3. Step 3: Cross multiply
    189,952.80x = 263,333.60 × 179,840.76
  4. Step 4: Simplify right side
    189,952.80x = 47,358,114,757.54
  5. Step 5: Solve for x
    x = 47,358,114,757.54/189,952.80
  6. Step 6: Final answer
    x = 249,315.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.