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Finding the Fourth Proportional to 74,738,962.40, 112,108,443.60 and 74,738,962.40

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Solution

The fourth proportional to 74,738,962.40, 112,108,443.60 and 74,738,962.40 is: 112,108,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,738,962.40 : 112,108,443.60 = 74,738,962.40 : x
  2. Step 2: Convert to fraction form
    74,738,962.40/112,108,443.60 = 74,738,962.40/x
  3. Step 3: Cross multiply
    74,738,962.40x = 112,108,443.60 × 74,738,962.40
  4. Step 4: Simplify right side
    74,738,962.40x = 8,378,868,750,942,921
  5. Step 5: Solve for x
    x = 8,378,868,750,942,921/74,738,962.40
  6. Step 6: Final answer
    x = 112,108,443.60

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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.