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Finding the Fourth Proportional to 238,751.48, 329,477.70 and 131,332.52

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Solution

The fourth proportional to 238,751.48, 329,477.70 and 131,332.52 is: 181,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,751.48 : 329,477.70 = 131,332.52 : x
  2. Step 2: Convert to fraction form
    238,751.48/329,477.70 = 131,332.52/x
  3. Step 3: Cross multiply
    238,751.48x = 329,477.70 × 131,332.52
  4. Step 4: Simplify right side
    238,751.48x = 43,271,136,624.80
  5. Step 5: Solve for x
    x = 43,271,136,624.80/238,751.48
  6. Step 6: Final answer
    x = 181,239.24

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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.