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Finding the Fourth Proportional to 248,461.84, 372,688.26 and 61,473.28

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Solution

The fourth proportional to 248,461.84, 372,688.26 and 61,473.28 is: 92,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,461.84 : 372,688.26 = 61,473.28 : x
  2. Step 2: Convert to fraction form
    248,461.84/372,688.26 = 61,473.28/x
  3. Step 3: Cross multiply
    248,461.84x = 372,688.26 × 61,473.28
  4. Step 4: Simplify right side
    248,461.84x = 22,910,369,759.69
  5. Step 5: Solve for x
    x = 22,910,369,759.69/248,461.84
  6. Step 6: Final answer
    x = 92,208.81

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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.