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Finding the Fourth Proportional to 104,860.89, 157,314.69 and 38,300.91

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Solution

The fourth proportional to 104,860.89, 157,314.69 and 38,300.91 is: 57,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,860.89 : 157,314.69 = 38,300.91 : x
  2. Step 2: Convert to fraction form
    104,860.89/157,314.69 = 38,300.91/x
  3. Step 3: Cross multiply
    104,860.89x = 157,314.69 × 38,300.91
  4. Step 4: Simplify right side
    104,860.89x = 6,025,295,783.37
  5. Step 5: Solve for x
    x = 6,025,295,783.37/104,860.89
  6. Step 6: Final answer
    x = 57,459.90

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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.