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Finding the Fourth Proportional to 247,999.48, 342,266.04 and 140,557.98

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Solution

The fourth proportional to 247,999.48, 342,266.04 and 140,557.98 is: 193,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,999.48 : 342,266.04 = 140,557.98 : x
  2. Step 2: Convert to fraction form
    247,999.48/342,266.04 = 140,557.98/x
  3. Step 3: Cross multiply
    247,999.48x = 342,266.04 × 140,557.98
  4. Step 4: Simplify right side
    247,999.48x = 48,108,223,205.00
  5. Step 5: Solve for x
    x = 48,108,223,205.00/247,999.48
  6. Step 6: Final answer
    x = 193,985.18

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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.