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Finding the Fourth Proportional to 168,041.50, 251,973.15 and 49,696.45

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Solution

The fourth proportional to 168,041.50, 251,973.15 and 49,696.45 is: 74,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,041.50 : 251,973.15 = 49,696.45 : x
  2. Step 2: Convert to fraction form
    168,041.50/251,973.15 = 49,696.45/x
  3. Step 3: Cross multiply
    168,041.50x = 251,973.15 × 49,696.45
  4. Step 4: Simplify right side
    168,041.50x = 12,522,171,050.32
  5. Step 5: Solve for x
    x = 12,522,171,050.32/168,041.50
  6. Step 6: Final answer
    x = 74,518.32

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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.