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Finding the Fourth Proportional to 170,682.60, 235,485.78 and 110,288.82

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Solution

The fourth proportional to 170,682.60, 235,485.78 and 110,288.82 is: 152,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,682.60 : 235,485.78 = 110,288.82 : x
  2. Step 2: Convert to fraction form
    170,682.60/235,485.78 = 110,288.82/x
  3. Step 3: Cross multiply
    170,682.60x = 235,485.78 × 110,288.82
  4. Step 4: Simplify right side
    170,682.60x = 25,971,448,802.98
  5. Step 5: Solve for x
    x = 25,971,448,802.98/170,682.60
  6. Step 6: Final answer
    x = 152,162.25

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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.