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Finding the Fourth Proportional to 115,953, 173,927.02 and 31,713.16

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Solution

The fourth proportional to 115,953, 173,927.02 and 31,713.16 is: 47,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,953 : 173,927.02 = 31,713.16 : x
  2. Step 2: Convert to fraction form
    115,953/173,927.02 = 31,713.16/x
  3. Step 3: Cross multiply
    115,953x = 173,927.02 × 31,713.16
  4. Step 4: Simplify right side
    115,953x = 5,515,775,413.58
  5. Step 5: Solve for x
    x = 5,515,775,413.58/115,953
  6. Step 6: Final answer
    x = 47,569.06

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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.