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Finding the Fourth Proportional to 97,270.80, 145,792.80 and 44,685.60

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Solution

The fourth proportional to 97,270.80, 145,792.80 and 44,685.60 is: 66,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,270.80 : 145,792.80 = 44,685.60 : x
  2. Step 2: Convert to fraction form
    97,270.80/145,792.80 = 44,685.60/x
  3. Step 3: Cross multiply
    97,270.80x = 145,792.80 × 44,685.60
  4. Step 4: Simplify right side
    97,270.80x = 6,514,838,743.68
  5. Step 5: Solve for x
    x = 6,514,838,743.68/97,270.80
  6. Step 6: Final answer
    x = 66,976.30

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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.