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Finding the Fourth Proportional to 251,803.50, 347,513.93 and 188,030.58

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Solution

The fourth proportional to 251,803.50, 347,513.93 and 188,030.58 is: 259,500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,803.50 : 347,513.93 = 188,030.58 : x
  2. Step 2: Convert to fraction form
    251,803.50/347,513.93 = 188,030.58/x
  3. Step 3: Cross multiply
    251,803.50x = 347,513.93 × 188,030.58
  4. Step 4: Simplify right side
    251,803.50x = 65,343,243,138.26
  5. Step 5: Solve for x
    x = 65,343,243,138.26/251,803.50
  6. Step 6: Final answer
    x = 259,500.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.