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Finding the Fourth Proportional to 101,611.60, 152,417.40 and 62,213.20

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Solution

The fourth proportional to 101,611.60, 152,417.40 and 62,213.20 is: 93,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,611.60 : 152,417.40 = 62,213.20 : x
  2. Step 2: Convert to fraction form
    101,611.60/152,417.40 = 62,213.20/x
  3. Step 3: Cross multiply
    101,611.60x = 152,417.40 × 62,213.20
  4. Step 4: Simplify right side
    101,611.60x = 9,482,374,189.68
  5. Step 5: Solve for x
    x = 9,482,374,189.68/101,611.60
  6. Step 6: Final answer
    x = 93,319.80

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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.