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Finding the Fourth Proportional to 101,602.44, 140,206.50 and 56,277.36

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Solution

The fourth proportional to 101,602.44, 140,206.50 and 56,277.36 is: 77,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,602.44 : 140,206.50 = 56,277.36 : x
  2. Step 2: Convert to fraction form
    101,602.44/140,206.50 = 56,277.36/x
  3. Step 3: Cross multiply
    101,602.44x = 140,206.50 × 56,277.36
  4. Step 4: Simplify right side
    101,602.44x = 7,890,451,674.84
  5. Step 5: Solve for x
    x = 7,890,451,674.84/101,602.44
  6. Step 6: Final answer
    x = 77,660.06

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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.