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Finding the Fourth Proportional to 175,163.88, 239,975.40 and 168,603.84

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Solution

The fourth proportional to 175,163.88, 239,975.40 and 168,603.84 is: 230,988.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,163.88 : 239,975.40 = 168,603.84 : x
  2. Step 2: Convert to fraction form
    175,163.88/239,975.40 = 168,603.84/x
  3. Step 3: Cross multiply
    175,163.88x = 239,975.40 × 168,603.84
  4. Step 4: Simplify right side
    175,163.88x = 40,460,773,945.54
  5. Step 5: Solve for x
    x = 40,460,773,945.54/175,163.88
  6. Step 6: Final answer
    x = 230,988.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.