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Finding the Fourth Proportional to 126,501.84, 189,880.84 and 63,367.20

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Solution

The fourth proportional to 126,501.84, 189,880.84 and 63,367.20 is: 95,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,501.84 : 189,880.84 = 63,367.20 : x
  2. Step 2: Convert to fraction form
    126,501.84/189,880.84 = 63,367.20/x
  3. Step 3: Cross multiply
    126,501.84x = 189,880.84 × 63,367.20
  4. Step 4: Simplify right side
    126,501.84x = 12,032,217,164.45
  5. Step 5: Solve for x
    x = 12,032,217,164.45/126,501.84
  6. Step 6: Final answer
    x = 95,114.96

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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.