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Finding the Fourth Proportional to 105,187.60, 157,606.44 and 73,957.36

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Solution

The fourth proportional to 105,187.60, 157,606.44 and 73,957.36 is: 110,813.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,187.60 : 157,606.44 = 73,957.36 : x
  2. Step 2: Convert to fraction form
    105,187.60/157,606.44 = 73,957.36/x
  3. Step 3: Cross multiply
    105,187.60x = 157,606.44 × 73,957.36
  4. Step 4: Simplify right side
    105,187.60x = 11,656,156,221.40
  5. Step 5: Solve for x
    x = 11,656,156,221.40/105,187.60
  6. Step 6: Final answer
    x = 110,813.03

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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.