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Finding the Fourth Proportional to 97,257.60, 145,886.40 and 27,136.80

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Solution

The fourth proportional to 97,257.60, 145,886.40 and 27,136.80 is: 40,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,257.60 : 145,886.40 = 27,136.80 : x
  2. Step 2: Convert to fraction form
    97,257.60/145,886.40 = 27,136.80/x
  3. Step 3: Cross multiply
    97,257.60x = 145,886.40 × 27,136.80
  4. Step 4: Simplify right side
    97,257.60x = 3,958,890,059.52
  5. Step 5: Solve for x
    x = 3,958,890,059.52/97,257.60
  6. Step 6: Final answer
    x = 40,705.20

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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.