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Finding the Fourth Proportional to 146,502.80, 219,790.20 and 41,320.40

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Solution

The fourth proportional to 146,502.80, 219,790.20 and 41,320.40 is: 61,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,502.80 : 219,790.20 = 41,320.40 : x
  2. Step 2: Convert to fraction form
    146,502.80/219,790.20 = 41,320.40/x
  3. Step 3: Cross multiply
    146,502.80x = 219,790.20 × 41,320.40
  4. Step 4: Simplify right side
    146,502.80x = 9,081,818,980.08
  5. Step 5: Solve for x
    x = 9,081,818,980.08/146,502.80
  6. Step 6: Final answer
    x = 61,990.75

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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.