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Finding the Fourth Proportional to 123,740.60, 185,484.06 and 48,830.45

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Solution

The fourth proportional to 123,740.60, 185,484.06 and 48,830.45 is: 73,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,740.60 : 185,484.06 = 48,830.45 : x
  2. Step 2: Convert to fraction form
    123,740.60/185,484.06 = 48,830.45/x
  3. Step 3: Cross multiply
    123,740.60x = 185,484.06 × 48,830.45
  4. Step 4: Simplify right side
    123,740.60x = 9,057,269,190.21
  5. Step 5: Solve for x
    x = 9,057,269,190.21/123,740.60
  6. Step 6: Final answer
    x = 73,195.62

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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.