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Finding the Fourth Proportional to 369,007.69, 553,589.31 and 119,670.25

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Solution

The fourth proportional to 369,007.69, 553,589.31 and 119,670.25 is: 179,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,007.69 : 553,589.31 = 119,670.25 : x
  2. Step 2: Convert to fraction form
    369,007.69/553,589.31 = 119,670.25/x
  3. Step 3: Cross multiply
    369,007.69x = 553,589.31 × 119,670.25
  4. Step 4: Simplify right side
    369,007.69x = 66,248,171,125.03
  5. Step 5: Solve for x
    x = 66,248,171,125.03/369,007.69
  6. Step 6: Final answer
    x = 179,530.60

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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.