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Finding the Fourth Proportional to 170,100.21, 234,723.04 and 98,485.08

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Solution

The fourth proportional to 170,100.21, 234,723.04 and 98,485.08 is: 135,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,100.21 : 234,723.04 = 98,485.08 : x
  2. Step 2: Convert to fraction form
    170,100.21/234,723.04 = 98,485.08/x
  3. Step 3: Cross multiply
    170,100.21x = 234,723.04 × 98,485.08
  4. Step 4: Simplify right side
    170,100.21x = 23,116,717,372.24
  5. Step 5: Solve for x
    x = 23,116,717,372.24/170,100.21
  6. Step 6: Final answer
    x = 135,900.58

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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.