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Finding the Fourth Proportional to 301,818.34, 452,770.98 and 91,472.68

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Solution

The fourth proportional to 301,818.34, 452,770.98 and 91,472.68 is: 137,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,818.34 : 452,770.98 = 91,472.68 : x
  2. Step 2: Convert to fraction form
    301,818.34/452,770.98 = 91,472.68/x
  3. Step 3: Cross multiply
    301,818.34x = 452,770.98 × 91,472.68
  4. Step 4: Simplify right side
    301,818.34x = 41,416,174,966.83
  5. Step 5: Solve for x
    x = 41,416,174,966.83/301,818.34
  6. Step 6: Final answer
    x = 137,222.19

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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.