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Finding the Fourth Proportional to 173,323.98, 239,188.67 and 101,705.20

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Solution

The fourth proportional to 173,323.98, 239,188.67 and 101,705.20 is: 140,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,323.98 : 239,188.67 = 101,705.20 : x
  2. Step 2: Convert to fraction form
    173,323.98/239,188.67 = 101,705.20/x
  3. Step 3: Cross multiply
    173,323.98x = 239,188.67 × 101,705.20
  4. Step 4: Simplify right side
    173,323.98x = 24,326,731,520.08
  5. Step 5: Solve for x
    x = 24,326,731,520.08/173,323.98
  6. Step 6: Final answer
    x = 140,354.10

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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.