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Finding the Fourth Proportional to 247,512.79, 371,266.04 and 79,030.98

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Solution

The fourth proportional to 247,512.79, 371,266.04 and 79,030.98 is: 118,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,512.79 : 371,266.04 = 79,030.98 : x
  2. Step 2: Convert to fraction form
    247,512.79/371,266.04 = 79,030.98/x
  3. Step 3: Cross multiply
    247,512.79x = 371,266.04 × 79,030.98
  4. Step 4: Simplify right side
    247,512.79x = 29,341,517,125.59
  5. Step 5: Solve for x
    x = 29,341,517,125.59/247,512.79
  6. Step 6: Final answer
    x = 118,545.46

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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.