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Finding the Fourth Proportional to 163,399.50, 245,099.25 and 52,591.50

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Solution

The fourth proportional to 163,399.50, 245,099.25 and 52,591.50 is: 78,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,399.50 : 245,099.25 = 52,591.50 : x
  2. Step 2: Convert to fraction form
    163,399.50/245,099.25 = 52,591.50/x
  3. Step 3: Cross multiply
    163,399.50x = 245,099.25 × 52,591.50
  4. Step 4: Simplify right side
    163,399.50x = 12,890,137,206.38
  5. Step 5: Solve for x
    x = 12,890,137,206.38/163,399.50
  6. Step 6: Final answer
    x = 78,887.25

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1.5x scale

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.