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Finding the Fourth Proportional to 80,312.10, 110,829.03 and 44,501.79

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Solution

The fourth proportional to 80,312.10, 110,829.03 and 44,501.79 is: 61,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,312.10 : 110,829.03 = 44,501.79 : x
  2. Step 2: Convert to fraction form
    80,312.10/110,829.03 = 44,501.79/x
  3. Step 3: Cross multiply
    80,312.10x = 110,829.03 × 44,501.79
  4. Step 4: Simplify right side
    80,312.10x = 4,932,090,218.96
  5. Step 5: Solve for x
    x = 4,932,090,218.96/80,312.10
  6. Step 6: Final answer
    x = 61,411.55

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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.