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Finding the Fourth Proportional to 115,897,007.70, 173,845,511.55 and 115,897,007.70

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Solution

The fourth proportional to 115,897,007.70, 173,845,511.55 and 115,897,007.70 is: 173,845,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,897,007.70 : 173,845,511.55 = 115,897,007.70 : x
  2. Step 2: Convert to fraction form
    115,897,007.70/173,845,511.55 = 115,897,007.70/x
  3. Step 3: Cross multiply
    115,897,007.70x = 173,845,511.55 × 115,897,007.70
  4. Step 4: Simplify right side
    115,897,007.70x = 20,148,174,590,720,792
  5. Step 5: Solve for x
    x = 20,148,174,590,720,792/115,897,007.70
  6. Step 6: Final answer
    x = 173,845,511.55

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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.