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Finding the Fourth Proportional to 174,806.10, 262,245.60 and 99,864.90

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Solution

The fourth proportional to 174,806.10, 262,245.60 and 99,864.90 is: 149,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,806.10 : 262,245.60 = 99,864.90 : x
  2. Step 2: Convert to fraction form
    174,806.10/262,245.60 = 99,864.90/x
  3. Step 3: Cross multiply
    174,806.10x = 262,245.60 × 99,864.90
  4. Step 4: Simplify right side
    174,806.10x = 26,189,130,619.44
  5. Step 5: Solve for x
    x = 26,189,130,619.44/174,806.10
  6. Step 6: Final answer
    x = 149,818.17

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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.