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Finding the Fourth Proportional to 74,892,844.40, 112,339,266.60 and 23,778,863.60

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Solution

The fourth proportional to 74,892,844.40, 112,339,266.60 and 23,778,863.60 is: 35,668,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,892,844.40 : 112,339,266.60 = 23,778,863.60 : x
  2. Step 2: Convert to fraction form
    74,892,844.40/112,339,266.60 = 23,778,863.60/x
  3. Step 3: Cross multiply
    74,892,844.40x = 112,339,266.60 × 23,778,863.60
  4. Step 4: Simplify right side
    74,892,844.40x = 2,671,300,097,405,436
  5. Step 5: Solve for x
    x = 2,671,300,097,405,436/74,892,844.40
  6. Step 6: Final answer
    x = 35,668,295.40

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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.