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Finding the Fourth Proportional to 238,272.92, 328,800.32 and 130,849.92

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Solution

The fourth proportional to 238,272.92, 328,800.32 and 130,849.92 is: 180,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,272.92 : 328,800.32 = 130,849.92 : x
  2. Step 2: Convert to fraction form
    238,272.92/328,800.32 = 130,849.92/x
  3. Step 3: Cross multiply
    238,272.92x = 328,800.32 × 130,849.92
  4. Step 4: Simplify right side
    238,272.92x = 43,023,495,567.97
  5. Step 5: Solve for x
    x = 43,023,495,567.97/238,272.92
  6. Step 6: Final answer
    x = 180,563.93

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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.