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Finding the Fourth Proportional to 104,730.54, 157,000.50 and 38,155.50

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Solution

The fourth proportional to 104,730.54, 157,000.50 and 38,155.50 is: 57,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,730.54 : 157,000.50 = 38,155.50 : x
  2. Step 2: Convert to fraction form
    104,730.54/157,000.50 = 38,155.50/x
  3. Step 3: Cross multiply
    104,730.54x = 157,000.50 × 38,155.50
  4. Step 4: Simplify right side
    104,730.54x = 5,990,432,577.75
  5. Step 5: Solve for x
    x = 5,990,432,577.75/104,730.54
  6. Step 6: Final answer
    x = 57,198.53

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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.