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Finding the Fourth Proportional to 159,014.70, 219,635.02 and 118,906.90

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Solution

The fourth proportional to 159,014.70, 219,635.02 and 118,906.90 is: 164,237.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,014.70 : 219,635.02 = 118,906.90 : x
  2. Step 2: Convert to fraction form
    159,014.70/219,635.02 = 118,906.90/x
  3. Step 3: Cross multiply
    159,014.70x = 219,635.02 × 118,906.90
  4. Step 4: Simplify right side
    159,014.70x = 26,116,119,359.64
  5. Step 5: Solve for x
    x = 26,116,119,359.64/159,014.70
  6. Step 6: Final answer
    x = 164,237.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.