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Finding the Fourth Proportional to 75,459,568.40, 113,189,352.60 and 75,459,568.40

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Solution

The fourth proportional to 75,459,568.40, 113,189,352.60 and 75,459,568.40 is: 113,189,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459,568.40 : 113,189,352.60 = 75,459,568.40 : x
  2. Step 2: Convert to fraction form
    75,459,568.40/113,189,352.60 = 75,459,568.40/x
  3. Step 3: Cross multiply
    75,459,568.40x = 113,189,352.60 × 75,459,568.40
  4. Step 4: Simplify right side
    75,459,568.40x = 8,541,219,694,671,418
  5. Step 5: Solve for x
    x = 8,541,219,694,671,418/75,459,568.40
  6. Step 6: Final answer
    x = 113,189,352.60

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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.