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Finding the Fourth Proportional to 84,085,735.95, 126,128,603.93 and 84,085,735.95

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Solution

The fourth proportional to 84,085,735.95, 126,128,603.93 and 84,085,735.95 is: 126,128,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,085,735.95 : 126,128,603.93 = 84,085,735.95 : x
  2. Step 2: Convert to fraction form
    84,085,735.95/126,128,603.93 = 84,085,735.95/x
  3. Step 3: Cross multiply
    84,085,735.95x = 126,128,603.93 × 84,085,735.95
  4. Step 4: Simplify right side
    84,085,735.95x = 10,605,616,485,379,684
  5. Step 5: Solve for x
    x = 10,605,616,485,379,684/84,085,735.95
  6. Step 6: Final answer
    x = 126,128,603.93

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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.