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Finding the Fourth Proportional to 85,592.76, 118,150.44 and 76,624.20

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Solution

The fourth proportional to 85,592.76, 118,150.44 and 76,624.20 is: 105,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,592.76 : 118,150.44 = 76,624.20 : x
  2. Step 2: Convert to fraction form
    85,592.76/118,150.44 = 76,624.20/x
  3. Step 3: Cross multiply
    85,592.76x = 118,150.44 × 76,624.20
  4. Step 4: Simplify right side
    85,592.76x = 9,053,182,944.65
  5. Step 5: Solve for x
    x = 9,053,182,944.65/85,592.76
  6. Step 6: Final answer
    x = 105,770.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.