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Finding the Fourth Proportional to 248,255.51, 342,617.82 and 146,313.80

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Solution

The fourth proportional to 248,255.51, 342,617.82 and 146,313.80 is: 201,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,255.51 : 342,617.82 = 146,313.80 : x
  2. Step 2: Convert to fraction form
    248,255.51/342,617.82 = 146,313.80/x
  3. Step 3: Cross multiply
    248,255.51x = 342,617.82 × 146,313.80
  4. Step 4: Simplify right side
    248,255.51x = 50,129,713,478.83
  5. Step 5: Solve for x
    x = 50,129,713,478.83/248,255.51
  6. Step 6: Final answer
    x = 201,927.90

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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.