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Finding the Fourth Proportional to 116,557,363.20, 163,419,187.20 and 116,557,363.20

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Solution

The fourth proportional to 116,557,363.20, 163,419,187.20 and 116,557,363.20 is: 163,419,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,557,363.20 : 163,419,187.20 = 116,557,363.20 : x
  2. Step 2: Convert to fraction form
    116,557,363.20/163,419,187.20 = 116,557,363.20/x
  3. Step 3: Cross multiply
    116,557,363.20x = 163,419,187.20 × 116,557,363.20
  4. Step 4: Simplify right side
    116,557,363.20x = 19,047,709,556,319,192
  5. Step 5: Solve for x
    x = 19,047,709,556,319,192/116,557,363.20
  6. Step 6: Final answer
    x = 163,419,187.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.