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Finding the Fourth Proportional to 163,212.89, 244,642.73 and 68,494.50

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Solution

The fourth proportional to 163,212.89, 244,642.73 and 68,494.50 is: 102,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,212.89 : 244,642.73 = 68,494.50 : x
  2. Step 2: Convert to fraction form
    163,212.89/244,642.73 = 68,494.50/x
  3. Step 3: Cross multiply
    163,212.89x = 244,642.73 × 68,494.50
  4. Step 4: Simplify right side
    163,212.89x = 16,756,681,127.51
  5. Step 5: Solve for x
    x = 16,756,681,127.51/163,212.89
  6. Step 6: Final answer
    x = 102,667.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.