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Finding the Fourth Proportional to 341,984.86, 512,977.32 and 92,666.86

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Solution

The fourth proportional to 341,984.86, 512,977.32 and 92,666.86 is: 139,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,984.86 : 512,977.32 = 92,666.86 : x
  2. Step 2: Convert to fraction form
    341,984.86/512,977.32 = 92,666.86/x
  3. Step 3: Cross multiply
    341,984.86x = 512,977.32 × 92,666.86
  4. Step 4: Simplify right side
    341,984.86x = 47,535,997,495.62
  5. Step 5: Solve for x
    x = 47,535,997,495.62/341,984.86
  6. Step 6: Final answer
    x = 139,000.30

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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.