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Finding the Fourth Proportional to 162,955.72, 224,866.74 and 99,283.24

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Solution

The fourth proportional to 162,955.72, 224,866.74 and 99,283.24 is: 137,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,955.72 : 224,866.74 = 99,283.24 : x
  2. Step 2: Convert to fraction form
    162,955.72/224,866.74 = 99,283.24/x
  3. Step 3: Cross multiply
    162,955.72x = 224,866.74 × 99,283.24
  4. Step 4: Simplify right side
    162,955.72x = 22,325,498,515.44
  5. Step 5: Solve for x
    x = 22,325,498,515.44/162,955.72
  6. Step 6: Final answer
    x = 137,003.47

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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.