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Finding the Fourth Proportional to 76,059.95, 104,952.11 and 43,789.55

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Solution

The fourth proportional to 76,059.95, 104,952.11 and 43,789.55 is: 60,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,059.95 : 104,952.11 = 43,789.55 : x
  2. Step 2: Convert to fraction form
    76,059.95/104,952.11 = 43,789.55/x
  3. Step 3: Cross multiply
    76,059.95x = 104,952.11 × 43,789.55
  4. Step 4: Simplify right side
    76,059.95x = 4,595,804,924.74
  5. Step 5: Solve for x
    x = 4,595,804,924.74/76,059.95
  6. Step 6: Final answer
    x = 60,423.46

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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.