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Finding the Fourth Proportional to 38,973,860.20, 54,652,983.80 and 38,973,860.20

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Solution

The fourth proportional to 38,973,860.20, 54,652,983.80 and 38,973,860.20 is: 54,652,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,973,860.20 : 54,652,983.80 = 38,973,860.20 : x
  2. Step 2: Convert to fraction form
    38,973,860.20/54,652,983.80 = 38,973,860.20/x
  3. Step 3: Cross multiply
    38,973,860.20x = 54,652,983.80 × 38,973,860.20
  4. Step 4: Simplify right side
    38,973,860.20x = 2,130,037,750,134,064.75
  5. Step 5: Solve for x
    x = 2,130,037,750,134,064.75/38,973,860.20
  6. Step 6: Final answer
    x = 54,652,983.80

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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.