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Finding the Fourth Proportional to 203,820.99, 304,359 and 166,455.24

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Solution

The fourth proportional to 203,820.99, 304,359 and 166,455.24 is: 248,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,820.99 : 304,359 = 166,455.24 : x
  2. Step 2: Convert to fraction form
    203,820.99/304,359 = 166,455.24/x
  3. Step 3: Cross multiply
    203,820.99x = 304,359 × 166,455.24
  4. Step 4: Simplify right side
    203,820.99x = 50,662,151,532.51
  5. Step 5: Solve for x
    x = 50,662,151,532.51/203,820.99
  6. Step 6: Final answer
    x = 248,561.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.