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Finding the Fourth Proportional to 203,200.32, 304,820.52 and 70,063.08

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Solution

The fourth proportional to 203,200.32, 304,820.52 and 70,063.08 is: 105,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,200.32 : 304,820.52 = 70,063.08 : x
  2. Step 2: Convert to fraction form
    203,200.32/304,820.52 = 70,063.08/x
  3. Step 3: Cross multiply
    203,200.32x = 304,820.52 × 70,063.08
  4. Step 4: Simplify right side
    203,200.32x = 21,356,664,478.40
  5. Step 5: Solve for x
    x = 21,356,664,478.40/203,200.32
  6. Step 6: Final answer
    x = 105,101.53

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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.