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Finding the Fourth Proportional to 170,194.89, 234,900.44 and 98,574.89

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Solution

The fourth proportional to 170,194.89, 234,900.44 and 98,574.89 is: 136,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,194.89 : 234,900.44 = 98,574.89 : x
  2. Step 2: Convert to fraction form
    170,194.89/234,900.44 = 98,574.89/x
  3. Step 3: Cross multiply
    170,194.89x = 234,900.44 × 98,574.89
  4. Step 4: Simplify right side
    170,194.89x = 23,155,285,033.95
  5. Step 5: Solve for x
    x = 23,155,285,033.95/170,194.89
  6. Step 6: Final answer
    x = 136,051.59

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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.