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Finding the Fourth Proportional to 103,575.90, 155,363.85 and 37,091.10

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Solution

The fourth proportional to 103,575.90, 155,363.85 and 37,091.10 is: 55,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,575.90 : 155,363.85 = 37,091.10 : x
  2. Step 2: Convert to fraction form
    103,575.90/155,363.85 = 37,091.10/x
  3. Step 3: Cross multiply
    103,575.90x = 155,363.85 × 37,091.10
  4. Step 4: Simplify right side
    103,575.90x = 5,762,616,096.74
  5. Step 5: Solve for x
    x = 5,762,616,096.74/103,575.90
  6. Step 6: Final answer
    x = 55,636.65

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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.