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Finding the Fourth Proportional to 164,976.30, 247,027.05 and 129,984.30

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Solution

The fourth proportional to 164,976.30, 247,027.05 and 129,984.30 is: 194,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,976.30 : 247,027.05 = 129,984.30 : x
  2. Step 2: Convert to fraction form
    164,976.30/247,027.05 = 129,984.30/x
  3. Step 3: Cross multiply
    164,976.30x = 247,027.05 × 129,984.30
  4. Step 4: Simplify right side
    164,976.30x = 32,109,638,175.32
  5. Step 5: Solve for x
    x = 32,109,638,175.32/164,976.30
  6. Step 6: Final answer
    x = 194,631.82

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1.5x scale

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.