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Finding the Fourth Proportional to 115,447.86, 173,018.70 and 59,285.70

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Solution

The fourth proportional to 115,447.86, 173,018.70 and 59,285.70 is: 88,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,447.86 : 173,018.70 = 59,285.70 : x
  2. Step 2: Convert to fraction form
    115,447.86/173,018.70 = 59,285.70/x
  3. Step 3: Cross multiply
    115,447.86x = 173,018.70 × 59,285.70
  4. Step 4: Simplify right side
    115,447.86x = 10,257,534,742.59
  5. Step 5: Solve for x
    x = 10,257,534,742.59/115,447.86
  6. Step 6: Final answer
    x = 88,849.93

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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.