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Finding the Fourth Proportional to 483,142.60, 724,927.74 and 167,825.80

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Solution

The fourth proportional to 483,142.60, 724,927.74 and 167,825.80 is: 251,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,142.60 : 724,927.74 = 167,825.80 : x
  2. Step 2: Convert to fraction form
    483,142.60/724,927.74 = 167,825.80/x
  3. Step 3: Cross multiply
    483,142.60x = 724,927.74 × 167,825.80
  4. Step 4: Simplify right side
    483,142.60x = 121,661,577,907.69
  5. Step 5: Solve for x
    x = 121,661,577,907.69/483,142.60
  6. Step 6: Final answer
    x = 251,812.98

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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.