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Finding the Fourth Proportional to 247,802.64, 341,969.28 and 134,625.36

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Solution

The fourth proportional to 247,802.64, 341,969.28 and 134,625.36 is: 185,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,802.64 : 341,969.28 = 134,625.36 : x
  2. Step 2: Convert to fraction form
    247,802.64/341,969.28 = 134,625.36/x
  3. Step 3: Cross multiply
    247,802.64x = 341,969.28 × 134,625.36
  4. Step 4: Simplify right side
    247,802.64x = 46,037,737,428.94
  5. Step 5: Solve for x
    x = 46,037,737,428.94/247,802.64
  6. Step 6: Final answer
    x = 185,783.89

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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.