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Finding the Fourth Proportional to 119,664.60, 179,496.90 and 73,008.60

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Solution

The fourth proportional to 119,664.60, 179,496.90 and 73,008.60 is: 109,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,664.60 : 179,496.90 = 73,008.60 : x
  2. Step 2: Convert to fraction form
    119,664.60/179,496.90 = 73,008.60/x
  3. Step 3: Cross multiply
    119,664.60x = 179,496.90 × 73,008.60
  4. Step 4: Simplify right side
    119,664.60x = 13,104,817,373.34
  5. Step 5: Solve for x
    x = 13,104,817,373.34/119,664.60
  6. Step 6: Final answer
    x = 109,512.90

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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.