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Finding the Fourth Proportional to 71,101.03, 98,111.03 and 39,268.03

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Solution

The fourth proportional to 71,101.03, 98,111.03 and 39,268.03 is: 54,185.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,101.03 : 98,111.03 = 39,268.03 : x
  2. Step 2: Convert to fraction form
    71,101.03/98,111.03 = 39,268.03/x
  3. Step 3: Cross multiply
    71,101.03x = 98,111.03 × 39,268.03
  4. Step 4: Simplify right side
    71,101.03x = 3,852,626,427.75
  5. Step 5: Solve for x
    x = 3,852,626,427.75/71,101.03
  6. Step 6: Final answer
    x = 54,185.24

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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.