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Finding the Fourth Proportional to 119,476.65, 179,221.47 and 30,730.89

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Solution

The fourth proportional to 119,476.65, 179,221.47 and 30,730.89 is: 46,098.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,476.65 : 179,221.47 = 30,730.89 : x
  2. Step 2: Convert to fraction form
    119,476.65/179,221.47 = 30,730.89/x
  3. Step 3: Cross multiply
    119,476.65x = 179,221.47 × 30,730.89
  4. Step 4: Simplify right side
    119,476.65x = 5,507,635,280.21
  5. Step 5: Solve for x
    x = 5,507,635,280.21/119,476.65
  6. Step 6: Final answer
    x = 46,098.01

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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.