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Finding the Fourth Proportional to 223,992,249.60, 335,988,374.40 and 70,653,806.40

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Solution

The fourth proportional to 223,992,249.60, 335,988,374.40 and 70,653,806.40 is: 105,980,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,992,249.60 : 335,988,374.40 = 70,653,806.40 : x
  2. Step 2: Convert to fraction form
    223,992,249.60/335,988,374.40 = 70,653,806.40/x
  3. Step 3: Cross multiply
    223,992,249.60x = 335,988,374.40 × 70,653,806.40
  4. Step 4: Simplify right side
    223,992,249.60x = 23,738,857,557,508,316
  5. Step 5: Solve for x
    x = 23,738,857,557,508,316/223,992,249.60
  6. Step 6: Final answer
    x = 105,980,709.60

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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.