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Finding the Fourth Proportional to 162,904.03, 224,807.26 and 99,241.83

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Solution

The fourth proportional to 162,904.03, 224,807.26 and 99,241.83 is: 136,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,904.03 : 224,807.26 = 99,241.83 : x
  2. Step 2: Convert to fraction form
    162,904.03/224,807.26 = 99,241.83/x
  3. Step 3: Cross multiply
    162,904.03x = 224,807.26 × 99,241.83
  4. Step 4: Simplify right side
    162,904.03x = 22,310,283,879.69
  5. Step 5: Solve for x
    x = 22,310,283,879.69/162,904.03
  6. Step 6: Final answer
    x = 136,953.54

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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.