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Finding the Fourth Proportional to 179,653.80, 269,434.74 and 53,264.49

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Solution

The fourth proportional to 179,653.80, 269,434.74 and 53,264.49 is: 79,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,653.80 : 269,434.74 = 53,264.49 : x
  2. Step 2: Convert to fraction form
    179,653.80/269,434.74 = 53,264.49/x
  3. Step 3: Cross multiply
    179,653.80x = 269,434.74 × 53,264.49
  4. Step 4: Simplify right side
    179,653.80x = 14,351,303,748.06
  5. Step 5: Solve for x
    x = 14,351,303,748.06/179,653.80
  6. Step 6: Final answer
    x = 79,883.11

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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.