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Finding the Fourth Proportional to 162,908.26, 224,813.38 and 99,246.01

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Solution

The fourth proportional to 162,908.26, 224,813.38 and 99,246.01 is: 136,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,908.26 : 224,813.38 = 99,246.01 : x
  2. Step 2: Convert to fraction form
    162,908.26/224,813.38 = 99,246.01/x
  3. Step 3: Cross multiply
    162,908.26x = 224,813.38 × 99,246.01
  4. Step 4: Simplify right side
    162,908.26x = 22,311,830,959.61
  5. Step 5: Solve for x
    x = 22,311,830,959.61/162,908.26
  6. Step 6: Final answer
    x = 136,959.48

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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.