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Finding the Fourth Proportional to 228,572.70, 342,859.05 and 62,360.70

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Solution

The fourth proportional to 228,572.70, 342,859.05 and 62,360.70 is: 93,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,572.70 : 342,859.05 = 62,360.70 : x
  2. Step 2: Convert to fraction form
    228,572.70/342,859.05 = 62,360.70/x
  3. Step 3: Cross multiply
    228,572.70x = 342,859.05 × 62,360.70
  4. Step 4: Simplify right side
    228,572.70x = 21,380,930,359.34
  5. Step 5: Solve for x
    x = 21,380,930,359.34/228,572.70
  6. Step 6: Final answer
    x = 93,541.05

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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.