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Finding the Fourth Proportional to 170,101.04, 254,859.96 and 120,091.64

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Solution

The fourth proportional to 170,101.04, 254,859.96 and 120,091.64 is: 179,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,101.04 : 254,859.96 = 120,091.64 : x
  2. Step 2: Convert to fraction form
    170,101.04/254,859.96 = 120,091.64/x
  3. Step 3: Cross multiply
    170,101.04x = 254,859.96 × 120,091.64
  4. Step 4: Simplify right side
    170,101.04x = 30,606,550,566.73
  5. Step 5: Solve for x
    x = 30,606,550,566.73/170,101.04
  6. Step 6: Final answer
    x = 179,931.59

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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.