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Finding the Fourth Proportional to 341,876.08, 512,814.48 and 89,156.32

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Solution

The fourth proportional to 341,876.08, 512,814.48 and 89,156.32 is: 133,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,876.08 : 512,814.48 = 89,156.32 : x
  2. Step 2: Convert to fraction form
    341,876.08/512,814.48 = 89,156.32/x
  3. Step 3: Cross multiply
    341,876.08x = 512,814.48 × 89,156.32
  4. Step 4: Simplify right side
    341,876.08x = 45,720,651,879.51
  5. Step 5: Solve for x
    x = 45,720,651,879.51/341,876.08
  6. Step 6: Final answer
    x = 133,734.57

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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.