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Finding the Fourth Proportional to 96,777.60, 145,209.60 and 34,492.80

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Solution

The fourth proportional to 96,777.60, 145,209.60 and 34,492.80 is: 51,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,777.60 : 145,209.60 = 34,492.80 : x
  2. Step 2: Convert to fraction form
    96,777.60/145,209.60 = 34,492.80/x
  3. Step 3: Cross multiply
    96,777.60x = 145,209.60 × 34,492.80
  4. Step 4: Simplify right side
    96,777.60x = 5,008,685,690.88
  5. Step 5: Solve for x
    x = 5,008,685,690.88/96,777.60
  6. Step 6: Final answer
    x = 51,754.60

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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.