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Finding the Fourth Proportional to 369,113.43, 553,626.41 and 119,795.43

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Solution

The fourth proportional to 369,113.43, 553,626.41 and 119,795.43 is: 179,678.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,113.43 : 553,626.41 = 119,795.43 : x
  2. Step 2: Convert to fraction form
    369,113.43/553,626.41 = 119,795.43/x
  3. Step 3: Cross multiply
    369,113.43x = 553,626.41 × 119,795.43
  4. Step 4: Simplify right side
    369,113.43x = 66,321,913,246.33
  5. Step 5: Solve for x
    x = 66,321,913,246.33/369,113.43
  6. Step 6: Final answer
    x = 179,678.95

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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.