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Finding the Fourth Proportional to 164,047.40, 246,362.70 and 119,724.20

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Solution

The fourth proportional to 164,047.40, 246,362.70 and 119,724.20 is: 179,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,047.40 : 246,362.70 = 119,724.20 : x
  2. Step 2: Convert to fraction form
    164,047.40/246,362.70 = 119,724.20/x
  3. Step 3: Cross multiply
    164,047.40x = 246,362.70 × 119,724.20
  4. Step 4: Simplify right side
    164,047.40x = 29,495,577,167.34
  5. Step 5: Solve for x
    x = 29,495,577,167.34/164,047.40
  6. Step 6: Final answer
    x = 179,799.11

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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.