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Finding the Fourth Proportional to 228,068.46, 342,158.48 and 160,731.87

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Solution

The fourth proportional to 228,068.46, 342,158.48 and 160,731.87 is: 241,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,068.46 : 342,158.48 = 160,731.87 : x
  2. Step 2: Convert to fraction form
    228,068.46/342,158.48 = 160,731.87/x
  3. Step 3: Cross multiply
    228,068.46x = 342,158.48 × 160,731.87
  4. Step 4: Simplify right side
    228,068.46x = 54,995,771,523.10
  5. Step 5: Solve for x
    x = 54,995,771,523.10/228,068.46
  6. Step 6: Final answer
    x = 241,137.12

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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.