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Finding the Fourth Proportional to 116,554,429.20, 163,415,079.60 and 116,554,429.20

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Solution

The fourth proportional to 116,554,429.20, 163,415,079.60 and 116,554,429.20 is: 163,415,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,554,429.20 : 163,415,079.60 = 116,554,429.20 : x
  2. Step 2: Convert to fraction form
    116,554,429.20/163,415,079.60 = 116,554,429.20/x
  3. Step 3: Cross multiply
    116,554,429.20x = 163,415,079.60 × 116,554,429.20
  4. Step 4: Simplify right side
    116,554,429.20x = 19,046,751,325,450,564
  5. Step 5: Solve for x
    x = 19,046,751,325,450,564/116,554,429.20
  6. Step 6: Final answer
    x = 163,415,079.60

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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.