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Finding the Fourth Proportional to 170,973, 235,936.35 and 98,387.10

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Solution

The fourth proportional to 170,973, 235,936.35 and 98,387.10 is: 135,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,973 : 235,936.35 = 98,387.10 : x
  2. Step 2: Convert to fraction form
    170,973/235,936.35 = 98,387.10/x
  3. Step 3: Cross multiply
    170,973x = 235,936.35 × 98,387.10
  4. Step 4: Simplify right side
    170,973x = 23,213,093,261.09
  5. Step 5: Solve for x
    x = 23,213,093,261.09/170,973
  6. Step 6: Final answer
    x = 135,770.52

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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.