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Finding the Fourth Proportional to 265,071,800.80, 397,371,310.80 and 103,476,152.80

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Solution

The fourth proportional to 265,071,800.80, 397,371,310.80 and 103,476,152.80 is: 155,121,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,071,800.80 : 397,371,310.80 = 103,476,152.80 : x
  2. Step 2: Convert to fraction form
    265,071,800.80/397,371,310.80 = 103,476,152.80/x
  3. Step 3: Cross multiply
    265,071,800.80x = 397,371,310.80 × 103,476,152.80
  4. Step 4: Simplify right side
    265,071,800.80x = 41,118,454,474,677,088
  5. Step 5: Solve for x
    x = 41,118,454,474,677,088/265,071,800.80
  6. Step 6: Final answer
    x = 155,121,949.41

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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.