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Finding the Fourth Proportional to 179,457.80, 268,862.70 and 104,516.60

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Solution

The fourth proportional to 179,457.80, 268,862.70 and 104,516.60 is: 156,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,457.80 : 268,862.70 = 104,516.60 : x
  2. Step 2: Convert to fraction form
    179,457.80/268,862.70 = 104,516.60/x
  3. Step 3: Cross multiply
    179,457.80x = 268,862.70 × 104,516.60
  4. Step 4: Simplify right side
    179,457.80x = 28,100,615,270.82
  5. Step 5: Solve for x
    x = 28,100,615,270.82/179,457.80
  6. Step 6: Final answer
    x = 156,586.20

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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.