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Finding the Fourth Proportional to 238,762.61, 329,485.50 and 131,332.64

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Solution

The fourth proportional to 238,762.61, 329,485.50 and 131,332.64 is: 181,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,762.61 : 329,485.50 = 131,332.64 : x
  2. Step 2: Convert to fraction form
    238,762.61/329,485.50 = 131,332.64/x
  3. Step 3: Cross multiply
    238,762.61x = 329,485.50 × 131,332.64
  4. Step 4: Simplify right side
    238,762.61x = 43,272,198,909.29
  5. Step 5: Solve for x
    x = 43,272,198,909.29/238,762.61
  6. Step 6: Final answer
    x = 181,235.24

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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.