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Finding the Fourth Proportional to 238,412.67, 329,011.94 and 130,984.93

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Solution

The fourth proportional to 238,412.67, 329,011.94 and 130,984.93 is: 180,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,412.67 : 329,011.94 = 130,984.93 : x
  2. Step 2: Convert to fraction form
    238,412.67/329,011.94 = 130,984.93/x
  3. Step 3: Cross multiply
    238,412.67x = 329,011.94 × 130,984.93
  4. Step 4: Simplify right side
    238,412.67x = 43,095,606,668.79
  5. Step 5: Solve for x
    x = 43,095,606,668.79/238,412.67
  6. Step 6: Final answer
    x = 180,760.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.