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Finding the Fourth Proportional to 173,776.63, 239,815.39 and 98,325.13

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Solution

The fourth proportional to 173,776.63, 239,815.39 and 98,325.13 is: 135,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,776.63 : 239,815.39 = 98,325.13 : x
  2. Step 2: Convert to fraction form
    173,776.63/239,815.39 = 98,325.13/x
  3. Step 3: Cross multiply
    173,776.63x = 239,815.39 × 98,325.13
  4. Step 4: Simplify right side
    173,776.63x = 23,579,878,198.67
  5. Step 5: Solve for x
    x = 23,579,878,198.67/173,776.63
  6. Step 6: Final answer
    x = 135,690.74

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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.