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Finding the Fourth Proportional to 118,343.70, 177,624.90 and 59,221.80

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Solution

The fourth proportional to 118,343.70, 177,624.90 and 59,221.80 is: 88,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,343.70 : 177,624.90 = 59,221.80 : x
  2. Step 2: Convert to fraction form
    118,343.70/177,624.90 = 59,221.80/x
  3. Step 3: Cross multiply
    118,343.70x = 177,624.90 × 59,221.80
  4. Step 4: Simplify right side
    118,343.70x = 10,519,266,302.82
  5. Step 5: Solve for x
    x = 10,519,266,302.82/118,343.70
  6. Step 6: Final answer
    x = 88,887.42

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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.