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Finding the Fourth Proportional to 80,312.92, 110,830.53 and 44,502.82

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Solution

The fourth proportional to 80,312.92, 110,830.53 and 44,502.82 is: 61,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,312.92 : 110,830.53 = 44,502.82 : x
  2. Step 2: Convert to fraction form
    80,312.92/110,830.53 = 44,502.82/x
  3. Step 3: Cross multiply
    80,312.92x = 110,830.53 × 44,502.82
  4. Step 4: Simplify right side
    80,312.92x = 4,932,271,127.09
  5. Step 5: Solve for x
    x = 4,932,271,127.09/80,312.92
  6. Step 6: Final answer
    x = 61,413.17

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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.