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Finding the Fourth Proportional to 104,158.62, 156,681.41 and 94,415.55

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Solution

The fourth proportional to 104,158.62, 156,681.41 and 94,415.55 is: 142,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,158.62 : 156,681.41 = 94,415.55 : x
  2. Step 2: Convert to fraction form
    104,158.62/156,681.41 = 94,415.55/x
  3. Step 3: Cross multiply
    104,158.62x = 156,681.41 × 94,415.55
  4. Step 4: Simplify right side
    104,158.62x = 14,793,161,027.85
  5. Step 5: Solve for x
    x = 14,793,161,027.85/104,158.62
  6. Step 6: Final answer
    x = 142,025.32

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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.