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Finding the Fourth Proportional to 171,633.84, 236,770.55 and 148,940.98

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Solution

The fourth proportional to 171,633.84, 236,770.55 and 148,940.98 is: 205,465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,633.84 : 236,770.55 = 148,940.98 : x
  2. Step 2: Convert to fraction form
    171,633.84/236,770.55 = 148,940.98/x
  3. Step 3: Cross multiply
    171,633.84x = 236,770.55 × 148,940.98
  4. Step 4: Simplify right side
    171,633.84x = 35,264,838,420.45
  5. Step 5: Solve for x
    x = 35,264,838,420.45/171,633.84
  6. Step 6: Final answer
    x = 205,465.53

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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.