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Finding the Fourth Proportional to 228,154.39, 342,205.43 and 59,690.98

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Solution

The fourth proportional to 228,154.39, 342,205.43 and 59,690.98 is: 89,529.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,154.39 : 342,205.43 = 59,690.98 : x
  2. Step 2: Convert to fraction form
    228,154.39/342,205.43 = 59,690.98/x
  3. Step 3: Cross multiply
    228,154.39x = 342,205.43 × 59,690.98
  4. Step 4: Simplify right side
    228,154.39x = 20,426,575,766.99
  5. Step 5: Solve for x
    x = 20,426,575,766.99/228,154.39
  6. Step 6: Final answer
    x = 89,529.62

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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.