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Finding the Fourth Proportional to 146,118.60, 218,717.10 and 141,510.60

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Solution

The fourth proportional to 146,118.60, 218,717.10 and 141,510.60 is: 211,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,118.60 : 218,717.10 = 141,510.60 : x
  2. Step 2: Convert to fraction form
    146,118.60/218,717.10 = 141,510.60/x
  3. Step 3: Cross multiply
    146,118.60x = 218,717.10 × 141,510.60
  4. Step 4: Simplify right side
    146,118.60x = 30,950,788,051.26
  5. Step 5: Solve for x
    x = 30,950,788,051.26/146,118.60
  6. Step 6: Final answer
    x = 211,819.63

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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.