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Finding the Fourth Proportional to 146,726.60, 219,992.70 and 53,220.20

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Solution

The fourth proportional to 146,726.60, 219,992.70 and 53,220.20 is: 79,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,726.60 : 219,992.70 = 53,220.20 : x
  2. Step 2: Convert to fraction form
    146,726.60/219,992.70 = 53,220.20/x
  3. Step 3: Cross multiply
    146,726.60x = 219,992.70 × 53,220.20
  4. Step 4: Simplify right side
    146,726.60x = 11,708,055,492.54
  5. Step 5: Solve for x
    x = 11,708,055,492.54/146,726.60
  6. Step 6: Final answer
    x = 79,795.04

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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.