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Finding the Fourth Proportional to 120,053.56, 165,482.48 and 94,519.48

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Solution

The fourth proportional to 120,053.56, 165,482.48 and 94,519.48 is: 130,286.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,053.56 : 165,482.48 = 94,519.48 : x
  2. Step 2: Convert to fraction form
    120,053.56/165,482.48 = 94,519.48/x
  3. Step 3: Cross multiply
    120,053.56x = 165,482.48 × 94,519.48
  4. Step 4: Simplify right side
    120,053.56x = 15,641,317,958.71
  5. Step 5: Solve for x
    x = 15,641,317,958.71/120,053.56
  6. Step 6: Final answer
    x = 130,286.17

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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.