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Finding the Fourth Proportional to 260,303.63, 359,245.51 and 158,336.12

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Solution

The fourth proportional to 260,303.63, 359,245.51 and 158,336.12 is: 218,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,303.63 : 359,245.51 = 158,336.12 : x
  2. Step 2: Convert to fraction form
    260,303.63/359,245.51 = 158,336.12/x
  3. Step 3: Cross multiply
    260,303.63x = 359,245.51 × 158,336.12
  4. Step 4: Simplify right side
    260,303.63x = 56,881,540,180.82
  5. Step 5: Solve for x
    x = 56,881,540,180.82/260,303.63
  6. Step 6: Final answer
    x = 218,519.97

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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.