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Finding the Fourth Proportional to 127,100.01, 190,651.37 and 38,354.30

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Solution

The fourth proportional to 127,100.01, 190,651.37 and 38,354.30 is: 57,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,100.01 : 190,651.37 = 38,354.30 : x
  2. Step 2: Convert to fraction form
    127,100.01/190,651.37 = 38,354.30/x
  3. Step 3: Cross multiply
    127,100.01x = 190,651.37 × 38,354.30
  4. Step 4: Simplify right side
    127,100.01x = 7,312,299,840.39
  5. Step 5: Solve for x
    x = 7,312,299,840.39/127,100.01
  6. Step 6: Final answer
    x = 57,531.86

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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.