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Finding the Fourth Proportional to 59,946.80, 89,801.40 and 52,559.60

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Solution

The fourth proportional to 59,946.80, 89,801.40 and 52,559.60 is: 78,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,946.80 : 89,801.40 = 52,559.60 : x
  2. Step 2: Convert to fraction form
    59,946.80/89,801.40 = 52,559.60/x
  3. Step 3: Cross multiply
    59,946.80x = 89,801.40 × 52,559.60
  4. Step 4: Simplify right side
    59,946.80x = 4,719,925,663.44
  5. Step 5: Solve for x
    x = 4,719,925,663.44/59,946.80
  6. Step 6: Final answer
    x = 78,735.24

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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.