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Finding the Fourth Proportional to 228,363.22, 342,577.65 and 70,603.97

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Solution

The fourth proportional to 228,363.22, 342,577.65 and 70,603.97 is: 105,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,363.22 : 342,577.65 = 70,603.97 : x
  2. Step 2: Convert to fraction form
    228,363.22/342,577.65 = 70,603.97/x
  3. Step 3: Cross multiply
    228,363.22x = 342,577.65 × 70,603.97
  4. Step 4: Simplify right side
    228,363.22x = 24,187,342,123.27
  5. Step 5: Solve for x
    x = 24,187,342,123.27/228,363.22
  6. Step 6: Final answer
    x = 105,916.10

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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.