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Finding the Fourth Proportional to 171,633.55, 236,866.78 and 103,667.06

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Solution

The fourth proportional to 171,633.55, 236,866.78 and 103,667.06 is: 143,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,633.55 : 236,866.78 = 103,667.06 : x
  2. Step 2: Convert to fraction form
    171,633.55/236,866.78 = 103,667.06/x
  3. Step 3: Cross multiply
    171,633.55x = 236,866.78 × 103,667.06
  4. Step 4: Simplify right side
    171,633.55x = 24,555,282,694.27
  5. Step 5: Solve for x
    x = 24,555,282,694.27/171,633.55
  6. Step 6: Final answer
    x = 143,068.08

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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.