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Finding the Fourth Proportional to 270,589.96, 405,880.62 and 93,098.50

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Solution

The fourth proportional to 270,589.96, 405,880.62 and 93,098.50 is: 139,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,589.96 : 405,880.62 = 93,098.50 : x
  2. Step 2: Convert to fraction form
    270,589.96/405,880.62 = 93,098.50/x
  3. Step 3: Cross multiply
    270,589.96x = 405,880.62 × 93,098.50
  4. Step 4: Simplify right side
    270,589.96x = 37,786,876,901.07
  5. Step 5: Solve for x
    x = 37,786,876,901.07/270,589.96
  6. Step 6: Final answer
    x = 139,646.26

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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.