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Finding the Fourth Proportional to 152,562.33, 210,461.22 and 132,390.90

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Solution

The fourth proportional to 152,562.33, 210,461.22 and 132,390.90 is: 182,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,562.33 : 210,461.22 = 132,390.90 : x
  2. Step 2: Convert to fraction form
    152,562.33/210,461.22 = 132,390.90/x
  3. Step 3: Cross multiply
    152,562.33x = 210,461.22 × 132,390.90
  4. Step 4: Simplify right side
    152,562.33x = 27,863,150,330.90
  5. Step 5: Solve for x
    x = 27,863,150,330.90/152,562.33
  6. Step 6: Final answer
    x = 182,634.54

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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.