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Finding the Fourth Proportional to 147,188.80, 220,799.40 and 53,714.80

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Solution

The fourth proportional to 147,188.80, 220,799.40 and 53,714.80 is: 80,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,188.80 : 220,799.40 = 53,714.80 : x
  2. Step 2: Convert to fraction form
    147,188.80/220,799.40 = 53,714.80/x
  3. Step 3: Cross multiply
    147,188.80x = 220,799.40 × 53,714.80
  4. Step 4: Simplify right side
    147,188.80x = 11,860,195,611.12
  5. Step 5: Solve for x
    x = 11,860,195,611.12/147,188.80
  6. Step 6: Final answer
    x = 80,578.11

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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.