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Finding the Fourth Proportional to 201,065,124.90, 301,597,687.35 and 124,537,620.90

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Solution

The fourth proportional to 201,065,124.90, 301,597,687.35 and 124,537,620.90 is: 186,806,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,065,124.90 : 301,597,687.35 = 124,537,620.90 : x
  2. Step 2: Convert to fraction form
    201,065,124.90/301,597,687.35 = 124,537,620.90/x
  3. Step 3: Cross multiply
    201,065,124.90x = 301,597,687.35 × 124,537,620.90
  4. Step 4: Simplify right side
    201,065,124.90x = 37,560,258,451,511,032
  5. Step 5: Solve for x
    x = 37,560,258,451,511,032/201,065,124.90
  6. Step 6: Final answer
    x = 186,806,431.35

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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.