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Finding the Fourth Proportional to 301,508.32, 452,166.45 and 99,057.42

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Solution

The fourth proportional to 301,508.32, 452,166.45 and 99,057.42 is: 148,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,508.32 : 452,166.45 = 99,057.42 : x
  2. Step 2: Convert to fraction form
    301,508.32/452,166.45 = 99,057.42/x
  3. Step 3: Cross multiply
    301,508.32x = 452,166.45 × 99,057.42
  4. Step 4: Simplify right side
    301,508.32x = 44,790,441,947.56
  5. Step 5: Solve for x
    x = 44,790,441,947.56/301,508.32
  6. Step 6: Final answer
    x = 148,554.58

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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.