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Finding the Fourth Proportional to 191,062.44, 263,935.99 and 153,074.25

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Solution

The fourth proportional to 191,062.44, 263,935.99 and 153,074.25 is: 211,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,062.44 : 263,935.99 = 153,074.25 : x
  2. Step 2: Convert to fraction form
    191,062.44/263,935.99 = 153,074.25/x
  3. Step 3: Cross multiply
    191,062.44x = 263,935.99 × 153,074.25
  4. Step 4: Simplify right side
    191,062.44x = 40,401,803,717.26
  5. Step 5: Solve for x
    x = 40,401,803,717.26/191,062.44
  6. Step 6: Final answer
    x = 211,458.64

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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.