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Finding the Fourth Proportional to 270,549.91, 405,880.21 and 93,033.86

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Solution

The fourth proportional to 270,549.91, 405,880.21 and 93,033.86 is: 139,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,549.91 : 405,880.21 = 93,033.86 : x
  2. Step 2: Convert to fraction form
    270,549.91/405,880.21 = 93,033.86/x
  3. Step 3: Cross multiply
    270,549.91x = 405,880.21 × 93,033.86
  4. Step 4: Simplify right side
    270,549.91x = 37,760,602,633.91
  5. Step 5: Solve for x
    x = 37,760,602,633.91/270,549.91
  6. Step 6: Final answer
    x = 139,569.82

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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.