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Finding the Fourth Proportional to 38,631,749.40, 54,164,075.40 and 38,631,749.40

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Solution

The fourth proportional to 38,631,749.40, 54,164,075.40 and 38,631,749.40 is: 54,164,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631,749.40 : 54,164,075.40 = 38,631,749.40 : x
  2. Step 2: Convert to fraction form
    38,631,749.40/54,164,075.40 = 38,631,749.40/x
  3. Step 3: Cross multiply
    38,631,749.40x = 54,164,075.40 × 38,631,749.40
  4. Step 4: Simplify right side
    38,631,749.40x = 2,092,452,987,335,504.50
  5. Step 5: Solve for x
    x = 2,092,452,987,335,504.50/38,631,749.40
  6. Step 6: Final answer
    x = 54,164,075.40

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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.