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Finding the Fourth Proportional to 222,482.10, 333,759.54 and 72,678.90

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Solution

The fourth proportional to 222,482.10, 333,759.54 and 72,678.90 is: 109,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,482.10 : 333,759.54 = 72,678.90 : x
  2. Step 2: Convert to fraction form
    222,482.10/333,759.54 = 72,678.90/x
  3. Step 3: Cross multiply
    222,482.10x = 333,759.54 × 72,678.90
  4. Step 4: Simplify right side
    222,482.10x = 24,257,276,231.71
  5. Step 5: Solve for x
    x = 24,257,276,231.71/222,482.10
  6. Step 6: Final answer
    x = 109,030.24

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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.