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Finding the Fourth Proportional to 264,970.56, 397,118.88 and 124,536

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Solution

The fourth proportional to 264,970.56, 397,118.88 and 124,536 is: 186,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,970.56 : 397,118.88 = 124,536 : x
  2. Step 2: Convert to fraction form
    264,970.56/397,118.88 = 124,536/x
  3. Step 3: Cross multiply
    264,970.56x = 397,118.88 × 124,536
  4. Step 4: Simplify right side
    264,970.56x = 49,455,596,839.68
  5. Step 5: Solve for x
    x = 49,455,596,839.68/264,970.56
  6. Step 6: Final answer
    x = 186,645.63

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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.