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Finding the Fourth Proportional to 115,449.86, 173,021.70 and 59,287.70

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Solution

The fourth proportional to 115,449.86, 173,021.70 and 59,287.70 is: 88,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,449.86 : 173,021.70 = 59,287.70 : x
  2. Step 2: Convert to fraction form
    115,449.86/173,021.70 = 59,287.70/x
  3. Step 3: Cross multiply
    115,449.86x = 173,021.70 × 59,287.70
  4. Step 4: Simplify right side
    115,449.86x = 10,258,058,643.09
  5. Step 5: Solve for x
    x = 10,258,058,643.09/115,449.86
  6. Step 6: Final answer
    x = 88,852.93

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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.