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Finding the Fourth Proportional to 101,453.58, 140,054.76 and 67,518.54

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Solution

The fourth proportional to 101,453.58, 140,054.76 and 67,518.54 is: 93,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,453.58 : 140,054.76 = 67,518.54 : x
  2. Step 2: Convert to fraction form
    101,453.58/140,054.76 = 67,518.54/x
  3. Step 3: Cross multiply
    101,453.58x = 140,054.76 × 67,518.54
  4. Step 4: Simplify right side
    101,453.58x = 9,456,292,915.25
  5. Step 5: Solve for x
    x = 9,456,292,915.25/101,453.58
  6. Step 6: Final answer
    x = 93,208.08

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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.