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Finding the Fourth Proportional to 301,631.86, 452,503.38 and 99,239.34

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Solution

The fourth proportional to 301,631.86, 452,503.38 and 99,239.34 is: 148,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,631.86 : 452,503.38 = 99,239.34 : x
  2. Step 2: Convert to fraction form
    301,631.86/452,503.38 = 99,239.34/x
  3. Step 3: Cross multiply
    301,631.86x = 452,503.38 × 99,239.34
  4. Step 4: Simplify right side
    301,631.86x = 44,906,136,778.97
  5. Step 5: Solve for x
    x = 44,906,136,778.97/301,631.86
  6. Step 6: Final answer
    x = 148,877.30

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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.