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Finding the Fourth Proportional to 238,492.65, 329,103.95 and 131,060.37

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Solution

The fourth proportional to 238,492.65, 329,103.95 and 131,060.37 is: 180,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,492.65 : 329,103.95 = 131,060.37 : x
  2. Step 2: Convert to fraction form
    238,492.65/329,103.95 = 131,060.37/x
  3. Step 3: Cross multiply
    238,492.65x = 329,103.95 × 131,060.37
  4. Step 4: Simplify right side
    238,492.65x = 43,132,484,800.16
  5. Step 5: Solve for x
    x = 43,132,484,800.16/238,492.65
  6. Step 6: Final answer
    x = 180,854.57

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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.