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Finding the Fourth Proportional to 343,385.36, 514,999.32 and 94,086.80

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Solution

The fourth proportional to 343,385.36, 514,999.32 and 94,086.80 is: 141,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,385.36 : 514,999.32 = 94,086.80 : x
  2. Step 2: Convert to fraction form
    343,385.36/514,999.32 = 94,086.80/x
  3. Step 3: Cross multiply
    343,385.36x = 514,999.32 × 94,086.80
  4. Step 4: Simplify right side
    343,385.36x = 48,454,638,020.98
  5. Step 5: Solve for x
    x = 48,454,638,020.98/343,385.36
  6. Step 6: Final answer
    x = 141,108.63

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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.