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Finding the Fourth Proportional to 103,630.60, 155,484.30 and 41,345.80

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Solution

The fourth proportional to 103,630.60, 155,484.30 and 41,345.80 is: 62,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630.60 : 155,484.30 = 41,345.80 : x
  2. Step 2: Convert to fraction form
    103,630.60/155,484.30 = 41,345.80/x
  3. Step 3: Cross multiply
    103,630.60x = 155,484.30 × 41,345.80
  4. Step 4: Simplify right side
    103,630.60x = 6,428,622,770.94
  5. Step 5: Solve for x
    x = 6,428,622,770.94/103,630.60
  6. Step 6: Final answer
    x = 62,034.02

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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.