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Finding the Fourth Proportional to 161,212.60, 241,818.90 and 101,855.80

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Solution

The fourth proportional to 161,212.60, 241,818.90 and 101,855.80 is: 152,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,212.60 : 241,818.90 = 101,855.80 : x
  2. Step 2: Convert to fraction form
    161,212.60/241,818.90 = 101,855.80/x
  3. Step 3: Cross multiply
    161,212.60x = 241,818.90 × 101,855.80
  4. Step 4: Simplify right side
    161,212.60x = 24,630,657,514.62
  5. Step 5: Solve for x
    x = 24,630,657,514.62/161,212.60
  6. Step 6: Final answer
    x = 152,783.70

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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.