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Finding the Fourth Proportional to 174,670.20, 262,005.30 and 100,020.60

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Solution

The fourth proportional to 174,670.20, 262,005.30 and 100,020.60 is: 150,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,670.20 : 262,005.30 = 100,020.60 : x
  2. Step 2: Convert to fraction form
    174,670.20/262,005.30 = 100,020.60/x
  3. Step 3: Cross multiply
    174,670.20x = 262,005.30 × 100,020.60
  4. Step 4: Simplify right side
    174,670.20x = 26,205,927,309.18
  5. Step 5: Solve for x
    x = 26,205,927,309.18/174,670.20
  6. Step 6: Final answer
    x = 150,030.90

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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.