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Finding the Fourth Proportional to 104,665, 144,437.70 and 59,955.88

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Solution

The fourth proportional to 104,665, 144,437.70 and 59,955.88 is: 82,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,665 : 144,437.70 = 59,955.88 : x
  2. Step 2: Convert to fraction form
    104,665/144,437.70 = 59,955.88/x
  3. Step 3: Cross multiply
    104,665x = 144,437.70 × 59,955.88
  4. Step 4: Simplify right side
    104,665x = 8,659,889,408.68
  5. Step 5: Solve for x
    x = 8,659,889,408.68/104,665
  6. Step 6: Final answer
    x = 82,739.11

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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.