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Finding the Fourth Proportional to 104,798.80, 157,099.38 and 52,158.52

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Solution

The fourth proportional to 104,798.80, 157,099.38 and 52,158.52 is: 78,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,798.80 : 157,099.38 = 52,158.52 : x
  2. Step 2: Convert to fraction form
    104,798.80/157,099.38 = 52,158.52/x
  3. Step 3: Cross multiply
    104,798.80x = 157,099.38 × 52,158.52
  4. Step 4: Simplify right side
    104,798.80x = 8,194,071,153.72
  5. Step 5: Solve for x
    x = 8,194,071,153.72/104,798.80
  6. Step 6: Final answer
    x = 78,188.60

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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.