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Finding the Fourth Proportional to 80,411.46, 110,973.15 and 44,602.98

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Solution

The fourth proportional to 80,411.46, 110,973.15 and 44,602.98 is: 61,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,411.46 : 110,973.15 = 44,602.98 : x
  2. Step 2: Convert to fraction form
    80,411.46/110,973.15 = 44,602.98/x
  3. Step 3: Cross multiply
    80,411.46x = 110,973.15 × 44,602.98
  4. Step 4: Simplify right side
    80,411.46x = 4,949,733,189.99
  5. Step 5: Solve for x
    x = 4,949,733,189.99/80,411.46
  6. Step 6: Final answer
    x = 61,555.07

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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.