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Finding the Fourth Proportional to 236,729,124, 355,093,686 and 66,528,036

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Solution

The fourth proportional to 236,729,124, 355,093,686 and 66,528,036 is: 99,792,054

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,729,124 : 355,093,686 = 66,528,036 : x
  2. Step 2: Convert to fraction form
    236,729,124/355,093,686 = 66,528,036/x
  3. Step 3: Cross multiply
    236,729,124x = 355,093,686 × 66,528,036
  4. Step 4: Simplify right side
    236,729,124x = 23,623,685,525,580,696
  5. Step 5: Solve for x
    x = 23,623,685,525,580,696/236,729,124
  6. Step 6: Final answer
    x = 99,792,054

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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.