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Finding the Fourth Proportional to 119,303.33, 178,950.88 and 30,557.60

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Solution

The fourth proportional to 119,303.33, 178,950.88 and 30,557.60 is: 45,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,303.33 : 178,950.88 = 30,557.60 : x
  2. Step 2: Convert to fraction form
    119,303.33/178,950.88 = 30,557.60/x
  3. Step 3: Cross multiply
    119,303.33x = 178,950.88 × 30,557.60
  4. Step 4: Simplify right side
    119,303.33x = 5,468,308,439.54
  5. Step 5: Solve for x
    x = 5,468,308,439.54/119,303.33
  6. Step 6: Final answer
    x = 45,835.34

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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.