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Finding the Fourth Proportional to 127,371, 191,085.66 and 44,265

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Solution

The fourth proportional to 127,371, 191,085.66 and 44,265 is: 66,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,371 : 191,085.66 = 44,265 : x
  2. Step 2: Convert to fraction form
    127,371/191,085.66 = 44,265/x
  3. Step 3: Cross multiply
    127,371x = 191,085.66 × 44,265
  4. Step 4: Simplify right side
    127,371x = 8,458,406,739.90
  5. Step 5: Solve for x
    x = 8,458,406,739.90/127,371
  6. Step 6: Final answer
    x = 66,407.63

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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.