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Finding the Fourth Proportional to 159,321,962.40, 238,982,943.60 and 159,321,962.40

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Solution

The fourth proportional to 159,321,962.40, 238,982,943.60 and 159,321,962.40 is: 238,982,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,321,962.40 : 238,982,943.60 = 159,321,962.40 : x
  2. Step 2: Convert to fraction form
    159,321,962.40/238,982,943.60 = 159,321,962.40/x
  3. Step 3: Cross multiply
    159,321,962.40x = 238,982,943.60 × 159,321,962.40
  4. Step 4: Simplify right side
    159,321,962.40x = 38,075,231,554,480,520
  5. Step 5: Solve for x
    x = 38,075,231,554,480,520/159,321,962.40
  6. Step 6: Final answer
    x = 238,982,943.60

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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.