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Finding the Fourth Proportional to 103,632, 155,497.20 and 44,484.60

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Solution

The fourth proportional to 103,632, 155,497.20 and 44,484.60 is: 66,748.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632 : 155,497.20 = 44,484.60 : x
  2. Step 2: Convert to fraction form
    103,632/155,497.20 = 44,484.60/x
  3. Step 3: Cross multiply
    103,632x = 155,497.20 × 44,484.60
  4. Step 4: Simplify right side
    103,632x = 6,917,230,743.12
  5. Step 5: Solve for x
    x = 6,917,230,743.12/103,632
  6. Step 6: Final answer
    x = 66,748.02

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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.