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Finding the Fourth Proportional to 203,007.40, 304,482.30 and 62,780.20

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Solution

The fourth proportional to 203,007.40, 304,482.30 and 62,780.20 is: 94,161.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,007.40 : 304,482.30 = 62,780.20 : x
  2. Step 2: Convert to fraction form
    203,007.40/304,482.30 = 62,780.20/x
  3. Step 3: Cross multiply
    203,007.40x = 304,482.30 × 62,780.20
  4. Step 4: Simplify right side
    203,007.40x = 19,115,459,690.46
  5. Step 5: Solve for x
    x = 19,115,459,690.46/203,007.40
  6. Step 6: Final answer
    x = 94,161.39

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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.