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Finding the Fourth Proportional to 204,390,101.70, 306,585,152.55 and 204,390,101.70

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Solution

The fourth proportional to 204,390,101.70, 306,585,152.55 and 204,390,101.70 is: 306,585,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,390,101.70 : 306,585,152.55 = 204,390,101.70 : x
  2. Step 2: Convert to fraction form
    204,390,101.70/306,585,152.55 = 204,390,101.70/x
  3. Step 3: Cross multiply
    204,390,101.70x = 306,585,152.55 × 204,390,101.70
  4. Step 4: Simplify right side
    204,390,101.70x = 62,662,970,509,404,512
  5. Step 5: Solve for x
    x = 62,662,970,509,404,512/204,390,101.70
  6. Step 6: Final answer
    x = 306,585,152.55

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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.