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Finding the Fourth Proportional to 86,235.92, 118,903.77 and 59,025.12

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Solution

The fourth proportional to 86,235.92, 118,903.77 and 59,025.12 is: 81,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,235.92 : 118,903.77 = 59,025.12 : x
  2. Step 2: Convert to fraction form
    86,235.92/118,903.77 = 59,025.12/x
  3. Step 3: Cross multiply
    86,235.92x = 118,903.77 × 59,025.12
  4. Step 4: Simplify right side
    86,235.92x = 7,018,309,292.70
  5. Step 5: Solve for x
    x = 7,018,309,292.70/86,235.92
  6. Step 6: Final answer
    x = 81,384.99

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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.