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Finding the Fourth Proportional to 105,992.62, 146,277.95 and 60,684.81

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Solution

The fourth proportional to 105,992.62, 146,277.95 and 60,684.81 is: 83,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,992.62 : 146,277.95 = 60,684.81 : x
  2. Step 2: Convert to fraction form
    105,992.62/146,277.95 = 60,684.81/x
  3. Step 3: Cross multiply
    105,992.62x = 146,277.95 × 60,684.81
  4. Step 4: Simplify right side
    105,992.62x = 8,876,849,602.94
  5. Step 5: Solve for x
    x = 8,876,849,602.94/105,992.62
  6. Step 6: Final answer
    x = 83,749.70

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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.