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Finding the Fourth Proportional to 179,554.98, 247,774.74 and 98,983.20

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Solution

The fourth proportional to 179,554.98, 247,774.74 and 98,983.20 is: 136,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,554.98 : 247,774.74 = 98,983.20 : x
  2. Step 2: Convert to fraction form
    179,554.98/247,774.74 = 98,983.20/x
  3. Step 3: Cross multiply
    179,554.98x = 247,774.74 × 98,983.20
  4. Step 4: Simplify right side
    179,554.98x = 24,525,536,644.37
  5. Step 5: Solve for x
    x = 24,525,536,644.37/179,554.98
  6. Step 6: Final answer
    x = 136,590.68

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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.