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Finding the Fourth Proportional to 86,323.58, 129,604.62 and 59,606.86

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Solution

The fourth proportional to 86,323.58, 129,604.62 and 59,606.86 is: 89,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,323.58 : 129,604.62 = 59,606.86 : x
  2. Step 2: Convert to fraction form
    86,323.58/129,604.62 = 59,606.86/x
  3. Step 3: Cross multiply
    86,323.58x = 129,604.62 × 59,606.86
  4. Step 4: Simplify right side
    86,323.58x = 7,725,324,439.69
  5. Step 5: Solve for x
    x = 7,725,324,439.69/86,323.58
  6. Step 6: Final answer
    x = 89,492.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.