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Finding the Fourth Proportional to 78,496.44, 108,210.78 and 59,600.76

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Solution

The fourth proportional to 78,496.44, 108,210.78 and 59,600.76 is: 82,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,496.44 : 108,210.78 = 59,600.76 : x
  2. Step 2: Convert to fraction form
    78,496.44/108,210.78 = 59,600.76/x
  3. Step 3: Cross multiply
    78,496.44x = 108,210.78 × 59,600.76
  4. Step 4: Simplify right side
    78,496.44x = 6,449,444,728.19
  5. Step 5: Solve for x
    x = 6,449,444,728.19/78,496.44
  6. Step 6: Final answer
    x = 82,162.26

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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.