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Finding the Fourth Proportional to 103,645.85, 155,501.58 and 37,084.50

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Solution

The fourth proportional to 103,645.85, 155,501.58 and 37,084.50 is: 55,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,645.85 : 155,501.58 = 37,084.50 : x
  2. Step 2: Convert to fraction form
    103,645.85/155,501.58 = 37,084.50/x
  3. Step 3: Cross multiply
    103,645.85x = 155,501.58 × 37,084.50
  4. Step 4: Simplify right side
    103,645.85x = 5,766,698,343.51
  5. Step 5: Solve for x
    x = 5,766,698,343.51/103,645.85
  6. Step 6: Final answer
    x = 55,638.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.