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Finding the Fourth Proportional to 162,935.97, 224,851.59 and 99,274.02

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Solution

The fourth proportional to 162,935.97, 224,851.59 and 99,274.02 is: 136,998.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,935.97 : 224,851.59 = 99,274.02 : x
  2. Step 2: Convert to fraction form
    162,935.97/224,851.59 = 99,274.02/x
  3. Step 3: Cross multiply
    162,935.97x = 224,851.59 × 99,274.02
  4. Step 4: Simplify right side
    162,935.97x = 22,321,921,242.69
  5. Step 5: Solve for x
    x = 22,321,921,242.69/162,935.97
  6. Step 6: Final answer
    x = 136,998.12

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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.