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Finding the Fourth Proportional to 76,957.60, 115,522.80 and 59,504.80

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Solution

The fourth proportional to 76,957.60, 115,522.80 and 59,504.80 is: 89,324.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,957.60 : 115,522.80 = 59,504.80 : x
  2. Step 2: Convert to fraction form
    76,957.60/115,522.80 = 59,504.80/x
  3. Step 3: Cross multiply
    76,957.60x = 115,522.80 × 59,504.80
  4. Step 4: Simplify right side
    76,957.60x = 6,874,161,109.44
  5. Step 5: Solve for x
    x = 6,874,161,109.44/76,957.60
  6. Step 6: Final answer
    x = 89,324.01

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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.