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Finding the Fourth Proportional to 110,624.40, 152,652.60 and 62,866.80

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Solution

The fourth proportional to 110,624.40, 152,652.60 and 62,866.80 is: 86,751.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,624.40 : 152,652.60 = 62,866.80 : x
  2. Step 2: Convert to fraction form
    110,624.40/152,652.60 = 62,866.80/x
  3. Step 3: Cross multiply
    110,624.40x = 152,652.60 × 62,866.80
  4. Step 4: Simplify right side
    110,624.40x = 9,596,780,473.68
  5. Step 5: Solve for x
    x = 9,596,780,473.68/110,624.40
  6. Step 6: Final answer
    x = 86,751.03

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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.