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Finding the Fourth Proportional to 125,119.63, 187,866.69 and 108,304.77

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Solution

The fourth proportional to 125,119.63, 187,866.69 and 108,304.77 is: 162,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,119.63 : 187,866.69 = 108,304.77 : x
  2. Step 2: Convert to fraction form
    125,119.63/187,866.69 = 108,304.77/x
  3. Step 3: Cross multiply
    125,119.63x = 187,866.69 × 108,304.77
  4. Step 4: Simplify right side
    125,119.63x = 20,346,858,651.11
  5. Step 5: Solve for x
    x = 20,346,858,651.11/125,119.63
  6. Step 6: Final answer
    x = 162,619.24

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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.