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Finding the Fourth Proportional to 176,963.20, 265,444.80 and 169,964.80

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Solution

The fourth proportional to 176,963.20, 265,444.80 and 169,964.80 is: 254,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,963.20 : 265,444.80 = 169,964.80 : x
  2. Step 2: Convert to fraction form
    176,963.20/265,444.80 = 169,964.80/x
  3. Step 3: Cross multiply
    176,963.20x = 265,444.80 × 169,964.80
  4. Step 4: Simplify right side
    176,963.20x = 45,116,272,343.04
  5. Step 5: Solve for x
    x = 45,116,272,343.04/176,963.20
  6. Step 6: Final answer
    x = 254,947.20

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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.