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Finding the Fourth Proportional to 228,045.30, 342,262.35 and 101,879.70

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Solution

The fourth proportional to 228,045.30, 342,262.35 and 101,879.70 is: 152,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,045.30 : 342,262.35 = 101,879.70 : x
  2. Step 2: Convert to fraction form
    228,045.30/342,262.35 = 101,879.70/x
  3. Step 3: Cross multiply
    228,045.30x = 342,262.35 × 101,879.70
  4. Step 4: Simplify right side
    228,045.30x = 34,869,585,539.30
  5. Step 5: Solve for x
    x = 34,869,585,539.30/228,045.30
  6. Step 6: Final answer
    x = 152,906.40

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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.