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Finding the Fourth Proportional to 196,639, 294,959.58 and 48,895

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Solution

The fourth proportional to 196,639, 294,959.58 and 48,895 is: 73,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,639 : 294,959.58 = 48,895 : x
  2. Step 2: Convert to fraction form
    196,639/294,959.58 = 48,895/x
  3. Step 3: Cross multiply
    196,639x = 294,959.58 × 48,895
  4. Step 4: Simplify right side
    196,639x = 14,422,048,664.10
  5. Step 5: Solve for x
    x = 14,422,048,664.10/196,639
  6. Step 6: Final answer
    x = 73,342.77

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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.