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Finding the Fourth Proportional to 145,924.82, 218,220.20 and 106,077.68

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Solution

The fourth proportional to 145,924.82, 218,220.20 and 106,077.68 is: 158,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,924.82 : 218,220.20 = 106,077.68 : x
  2. Step 2: Convert to fraction form
    145,924.82/218,220.20 = 106,077.68/x
  3. Step 3: Cross multiply
    145,924.82x = 218,220.20 × 106,077.68
  4. Step 4: Simplify right side
    145,924.82x = 23,148,292,014.75
  5. Step 5: Solve for x
    x = 23,148,292,014.75/145,924.82
  6. Step 6: Final answer
    x = 158,631.63

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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.