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Finding the Fourth Proportional to 104,058.81, 156,025.01 and 40,803.15

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Solution

The fourth proportional to 104,058.81, 156,025.01 and 40,803.15 is: 61,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,058.81 : 156,025.01 = 40,803.15 : x
  2. Step 2: Convert to fraction form
    104,058.81/156,025.01 = 40,803.15/x
  3. Step 3: Cross multiply
    104,058.81x = 156,025.01 × 40,803.15
  4. Step 4: Simplify right side
    104,058.81x = 6,366,311,682.77
  5. Step 5: Solve for x
    x = 6,366,311,682.77/104,058.81
  6. Step 6: Final answer
    x = 61,179.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.