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Finding the Fourth Proportional to 75,959.55, 104,823.59 and 41,970.33

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Solution

The fourth proportional to 75,959.55, 104,823.59 and 41,970.33 is: 57,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,959.55 : 104,823.59 = 41,970.33 : x
  2. Step 2: Convert to fraction form
    75,959.55/104,823.59 = 41,970.33/x
  3. Step 3: Cross multiply
    75,959.55x = 104,823.59 × 41,970.33
  4. Step 4: Simplify right side
    75,959.55x = 4,399,480,454.23
  5. Step 5: Solve for x
    x = 4,399,480,454.23/75,959.55
  6. Step 6: Final answer
    x = 57,918.73

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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.