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Finding the Fourth Proportional to 100,379.52, 150,802.56 and 58,855.68

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Solution

The fourth proportional to 100,379.52, 150,802.56 and 58,855.68 is: 88,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,379.52 : 150,802.56 = 58,855.68 : x
  2. Step 2: Convert to fraction form
    100,379.52/150,802.56 = 58,855.68/x
  3. Step 3: Cross multiply
    100,379.52x = 150,802.56 × 58,855.68
  4. Step 4: Simplify right side
    100,379.52x = 8,875,587,214.54
  5. Step 5: Solve for x
    x = 8,875,587,214.54/100,379.52
  6. Step 6: Final answer
    x = 88,420.30

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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.