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Finding the Fourth Proportional to 64,522.80, 96,784.20 and 60,634.80

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Solution

The fourth proportional to 64,522.80, 96,784.20 and 60,634.80 is: 90,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,522.80 : 96,784.20 = 60,634.80 : x
  2. Step 2: Convert to fraction form
    64,522.80/96,784.20 = 60,634.80/x
  3. Step 3: Cross multiply
    64,522.80x = 96,784.20 × 60,634.80
  4. Step 4: Simplify right side
    64,522.80x = 5,868,490,610.16
  5. Step 5: Solve for x
    x = 5,868,490,610.16/64,522.80
  6. Step 6: Final answer
    x = 90,952.20

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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.