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Finding the Fourth Proportional to 113,338,698.80, 158,976,509.20 and 113,338,698.80

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Solution

The fourth proportional to 113,338,698.80, 158,976,509.20 and 113,338,698.80 is: 158,976,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,338,698.80 : 158,976,509.20 = 113,338,698.80 : x
  2. Step 2: Convert to fraction form
    113,338,698.80/158,976,509.20 = 113,338,698.80/x
  3. Step 3: Cross multiply
    113,338,698.80x = 158,976,509.20 × 113,338,698.80
  4. Step 4: Simplify right side
    113,338,698.80x = 18,018,190,692,494,228
  5. Step 5: Solve for x
    x = 18,018,190,692,494,228/113,338,698.80
  6. Step 6: Final answer
    x = 158,976,509.20

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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.