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Finding the Fourth Proportional to 127,089.54, 190,619.73 and 33,602.58

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Solution

The fourth proportional to 127,089.54, 190,619.73 and 33,602.58 is: 50,400.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,089.54 : 190,619.73 = 33,602.58 : x
  2. Step 2: Convert to fraction form
    127,089.54/190,619.73 = 33,602.58/x
  3. Step 3: Cross multiply
    127,089.54x = 190,619.73 × 33,602.58
  4. Step 4: Simplify right side
    127,089.54x = 6,405,314,726.90
  5. Step 5: Solve for x
    x = 6,405,314,726.90/127,089.54
  6. Step 6: Final answer
    x = 50,400.02

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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.