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Finding the Fourth Proportional to 104,740.77, 144,591.72 and 67,036.89

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Solution

The fourth proportional to 104,740.77, 144,591.72 and 67,036.89 is: 92,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,740.77 : 144,591.72 = 67,036.89 : x
  2. Step 2: Convert to fraction form
    104,740.77/144,591.72 = 67,036.89/x
  3. Step 3: Cross multiply
    104,740.77x = 144,591.72 × 67,036.89
  4. Step 4: Simplify right side
    104,740.77x = 9,692,979,228.55
  5. Step 5: Solve for x
    x = 9,692,979,228.55/104,740.77
  6. Step 6: Final answer
    x = 92,542.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.