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Finding the Fourth Proportional to 113,338,127.80, 158,975,709.80 and 113,338,127.80

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Solution

The fourth proportional to 113,338,127.80, 158,975,709.80 and 113,338,127.80 is: 158,975,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,338,127.80 : 158,975,709.80 = 113,338,127.80 : x
  2. Step 2: Convert to fraction form
    113,338,127.80/158,975,709.80 = 113,338,127.80/x
  3. Step 3: Cross multiply
    113,338,127.80x = 158,975,709.80 × 113,338,127.80
  4. Step 4: Simplify right side
    113,338,127.80x = 18,018,009,314,408,112
  5. Step 5: Solve for x
    x = 18,018,009,314,408,112/113,338,127.80
  6. Step 6: Final answer
    x = 158,975,709.80

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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.