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Finding the Fourth Proportional to 245,672.28, 368,508.48 and 68,179.32

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Solution

The fourth proportional to 245,672.28, 368,508.48 and 68,179.32 is: 102,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,672.28 : 368,508.48 = 68,179.32 : x
  2. Step 2: Convert to fraction form
    245,672.28/368,508.48 = 68,179.32/x
  3. Step 3: Cross multiply
    245,672.28x = 368,508.48 × 68,179.32
  4. Step 4: Simplify right side
    245,672.28x = 25,124,657,580.63
  5. Step 5: Solve for x
    x = 25,124,657,580.63/245,672.28
  6. Step 6: Final answer
    x = 102,269.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.