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Finding the Fourth Proportional to 69,203.03, 94,877.29 and 67,941.86

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Solution

The fourth proportional to 69,203.03, 94,877.29 and 67,941.86 is: 93,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,203.03 : 94,877.29 = 67,941.86 : x
  2. Step 2: Convert to fraction form
    69,203.03/94,877.29 = 67,941.86/x
  3. Step 3: Cross multiply
    69,203.03x = 94,877.29 × 67,941.86
  4. Step 4: Simplify right side
    69,203.03x = 6,446,139,621.70
  5. Step 5: Solve for x
    x = 6,446,139,621.70/69,203.03
  6. Step 6: Final answer
    x = 93,148.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.