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Finding the Fourth Proportional to 170,144.88, 234,813.48 and 98,526.16

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Solution

The fourth proportional to 170,144.88, 234,813.48 and 98,526.16 is: 135,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,144.88 : 234,813.48 = 98,526.16 : x
  2. Step 2: Convert to fraction form
    170,144.88/234,813.48 = 98,526.16/x
  3. Step 3: Cross multiply
    170,144.88x = 234,813.48 × 98,526.16
  4. Step 4: Simplify right side
    170,144.88x = 23,135,270,500.64
  5. Step 5: Solve for x
    x = 23,135,270,500.64/170,144.88
  6. Step 6: Final answer
    x = 135,973.94

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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.