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Finding the Fourth Proportional to 203,201.32, 304,822.02 and 70,064.08

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Solution

The fourth proportional to 203,201.32, 304,822.02 and 70,064.08 is: 105,103.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,201.32 : 304,822.02 = 70,064.08 : x
  2. Step 2: Convert to fraction form
    203,201.32/304,822.02 = 70,064.08/x
  3. Step 3: Cross multiply
    203,201.32x = 304,822.02 × 70,064.08
  4. Step 4: Simplify right side
    203,201.32x = 21,357,074,395.04
  5. Step 5: Solve for x
    x = 21,357,074,395.04/203,201.32
  6. Step 6: Final answer
    x = 105,103.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.