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Finding the Fourth Proportional to 103,188.58, 154,798.25 and 36,623.13

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Solution

The fourth proportional to 103,188.58, 154,798.25 and 36,623.13 is: 54,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,188.58 : 154,798.25 = 36,623.13 : x
  2. Step 2: Convert to fraction form
    103,188.58/154,798.25 = 36,623.13/x
  3. Step 3: Cross multiply
    103,188.58x = 154,798.25 × 36,623.13
  4. Step 4: Simplify right side
    103,188.58x = 5,669,196,861.34
  5. Step 5: Solve for x
    x = 5,669,196,861.34/103,188.58
  6. Step 6: Final answer
    x = 54,940.16

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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.