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Finding the Fourth Proportional to 104,485.14, 156,727.71 and 73,458.90

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Solution

The fourth proportional to 104,485.14, 156,727.71 and 73,458.90 is: 110,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,485.14 : 156,727.71 = 73,458.90 : x
  2. Step 2: Convert to fraction form
    104,485.14/156,727.71 = 73,458.90/x
  3. Step 3: Cross multiply
    104,485.14x = 156,727.71 × 73,458.90
  4. Step 4: Simplify right side
    104,485.14x = 11,513,045,176.12
  5. Step 5: Solve for x
    x = 11,513,045,176.12/104,485.14
  6. Step 6: Final answer
    x = 110,188.35

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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.