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Finding the Fourth Proportional to 118,600.70, 177,901.05 and 48,530.30

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Solution

The fourth proportional to 118,600.70, 177,901.05 and 48,530.30 is: 72,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,600.70 : 177,901.05 = 48,530.30 : x
  2. Step 2: Convert to fraction form
    118,600.70/177,901.05 = 48,530.30/x
  3. Step 3: Cross multiply
    118,600.70x = 177,901.05 × 48,530.30
  4. Step 4: Simplify right side
    118,600.70x = 8,633,591,326.82
  5. Step 5: Solve for x
    x = 8,633,591,326.82/118,600.70
  6. Step 6: Final answer
    x = 72,795.45

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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.