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Finding the Fourth Proportional to 369,355.80, 554,050.29 and 113,169.60

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Solution

The fourth proportional to 369,355.80, 554,050.29 and 113,169.60 is: 169,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,355.80 : 554,050.29 = 113,169.60 : x
  2. Step 2: Convert to fraction form
    369,355.80/554,050.29 = 113,169.60/x
  3. Step 3: Cross multiply
    369,355.80x = 554,050.29 × 113,169.60
  4. Step 4: Simplify right side
    369,355.80x = 62,701,650,123.57
  5. Step 5: Solve for x
    x = 62,701,650,123.57/369,355.80
  6. Step 6: Final answer
    x = 169,759.48

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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.