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Finding the Fourth Proportional to 127,497.16, 191,243.58 and 44,389

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Solution

The fourth proportional to 127,497.16, 191,243.58 and 44,389 is: 66,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,497.16 : 191,243.58 = 44,389 : x
  2. Step 2: Convert to fraction form
    127,497.16/191,243.58 = 44,389/x
  3. Step 3: Cross multiply
    127,497.16x = 191,243.58 × 44,389
  4. Step 4: Simplify right side
    127,497.16x = 8,489,111,272.62
  5. Step 5: Solve for x
    x = 8,489,111,272.62/127,497.16
  6. Step 6: Final answer
    x = 66,582.75

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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.