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Finding the Fourth Proportional to 153,019.33, 211,196.90 and 97,793.33

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Solution

The fourth proportional to 153,019.33, 211,196.90 and 97,793.33 is: 134,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,019.33 : 211,196.90 = 97,793.33 : x
  2. Step 2: Convert to fraction form
    153,019.33/211,196.90 = 97,793.33/x
  3. Step 3: Cross multiply
    153,019.33x = 211,196.90 × 97,793.33
  4. Step 4: Simplify right side
    153,019.33x = 20,653,647,325.18
  5. Step 5: Solve for x
    x = 20,653,647,325.18/153,019.33
  6. Step 6: Final answer
    x = 134,974.11

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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.