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Finding the Fourth Proportional to 228,158.55, 342,257.64 and 59,678.13

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Solution

The fourth proportional to 228,158.55, 342,257.64 and 59,678.13 is: 89,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,158.55 : 342,257.64 = 59,678.13 : x
  2. Step 2: Convert to fraction form
    228,158.55/342,257.64 = 59,678.13/x
  3. Step 3: Cross multiply
    228,158.55x = 342,257.64 × 59,678.13
  4. Step 4: Simplify right side
    228,158.55x = 20,425,295,933.41
  5. Step 5: Solve for x
    x = 20,425,295,933.41/228,158.55
  6. Step 6: Final answer
    x = 89,522.38

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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.