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Finding the Fourth Proportional to 228,305.80, 342,473.69 and 59,830.26

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Solution

The fourth proportional to 228,305.80, 342,473.69 and 59,830.26 is: 89,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,305.80 : 342,473.69 = 59,830.26 : x
  2. Step 2: Convert to fraction form
    228,305.80/342,473.69 = 59,830.26/x
  3. Step 3: Cross multiply
    228,305.80x = 342,473.69 × 59,830.26
  4. Step 4: Simplify right side
    228,305.80x = 20,490,289,915.86
  5. Step 5: Solve for x
    x = 20,490,289,915.86/228,305.80
  6. Step 6: Final answer
    x = 89,749.32

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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.