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Finding the Fourth Proportional to 104,334.59, 156,723.18 and 98,260.81

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Solution

The fourth proportional to 104,334.59, 156,723.18 and 98,260.81 is: 147,599.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,334.59 : 156,723.18 = 98,260.81 : x
  2. Step 2: Convert to fraction form
    104,334.59/156,723.18 = 98,260.81/x
  3. Step 3: Cross multiply
    104,334.59x = 156,723.18 × 98,260.81
  4. Step 4: Simplify right side
    104,334.59x = 15,399,745,852.29
  5. Step 5: Solve for x
    x = 15,399,745,852.29/104,334.59
  6. Step 6: Final answer
    x = 147,599.62

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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.