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Finding the Fourth Proportional to 73,133.12, 100,811.04 and 59,680.64

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Solution

The fourth proportional to 73,133.12, 100,811.04 and 59,680.64 is: 82,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,133.12 : 100,811.04 = 59,680.64 : x
  2. Step 2: Convert to fraction form
    73,133.12/100,811.04 = 59,680.64/x
  3. Step 3: Cross multiply
    73,133.12x = 100,811.04 × 59,680.64
  4. Step 4: Simplify right side
    73,133.12x = 6,016,467,386.27
  5. Step 5: Solve for x
    x = 6,016,467,386.27/73,133.12
  6. Step 6: Final answer
    x = 82,267.34

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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.