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Finding the Fourth Proportional to 92,693.81, 127,849.51 and 60,851.09

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Solution

The fourth proportional to 92,693.81, 127,849.51 and 60,851.09 is: 83,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,693.81 : 127,849.51 = 60,851.09 : x
  2. Step 2: Convert to fraction form
    92,693.81/127,849.51 = 60,851.09/x
  3. Step 3: Cross multiply
    92,693.81x = 127,849.51 × 60,851.09
  4. Step 4: Simplify right side
    92,693.81x = 7,779,782,039.47
  5. Step 5: Solve for x
    x = 7,779,782,039.47/92,693.81
  6. Step 6: Final answer
    x = 83,929.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.