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Finding the Fourth Proportional to 146,606.80, 219,910.20 and 145,051.60

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Solution

The fourth proportional to 146,606.80, 219,910.20 and 145,051.60 is: 217,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,606.80 : 219,910.20 = 145,051.60 : x
  2. Step 2: Convert to fraction form
    146,606.80/219,910.20 = 145,051.60/x
  3. Step 3: Cross multiply
    146,606.80x = 219,910.20 × 145,051.60
  4. Step 4: Simplify right side
    146,606.80x = 31,898,326,366.32
  5. Step 5: Solve for x
    x = 31,898,326,366.32/146,606.80
  6. Step 6: Final answer
    x = 217,577.40

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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.