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Finding the Fourth Proportional to 153,562.93, 230,362.85 and 145,164.85

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Solution

The fourth proportional to 153,562.93, 230,362.85 and 145,164.85 is: 217,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,562.93 : 230,362.85 = 145,164.85 : x
  2. Step 2: Convert to fraction form
    153,562.93/230,362.85 = 145,164.85/x
  3. Step 3: Cross multiply
    153,562.93x = 230,362.85 × 145,164.85
  4. Step 4: Simplify right side
    153,562.93x = 33,440,587,536.28
  5. Step 5: Solve for x
    x = 33,440,587,536.28/153,562.93
  6. Step 6: Final answer
    x = 217,764.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.