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Finding the Fourth Proportional to 193,673,145.45, 290,509,718.18 and 193,673,145.45

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Solution

The fourth proportional to 193,673,145.45, 290,509,718.18 and 193,673,145.45 is: 290,509,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,673,145.45 : 290,509,718.18 = 193,673,145.45 : x
  2. Step 2: Convert to fraction form
    193,673,145.45/290,509,718.18 = 193,673,145.45/x
  3. Step 3: Cross multiply
    193,673,145.45x = 290,509,718.18 × 193,673,145.45
  4. Step 4: Simplify right side
    193,673,145.45x = 56,263,930,902,745,280
  5. Step 5: Solve for x
    x = 56,263,930,902,745,280/193,673,145.45
  6. Step 6: Final answer
    x = 290,509,718.18

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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.