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Finding the Fourth Proportional to 92,670.48, 127,940.40 and 60,894.72

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Solution

The fourth proportional to 92,670.48, 127,940.40 and 60,894.72 is: 84,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,670.48 : 127,940.40 = 60,894.72 : x
  2. Step 2: Convert to fraction form
    92,670.48/127,940.40 = 60,894.72/x
  3. Step 3: Cross multiply
    92,670.48x = 127,940.40 × 60,894.72
  4. Step 4: Simplify right side
    92,670.48x = 7,790,894,834.69
  5. Step 5: Solve for x
    x = 7,790,894,834.69/92,670.48
  6. Step 6: Final answer
    x = 84,070.95

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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.