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Finding the Fourth Proportional to 74,664,017.70, 111,996,026.55 and 23,561,700.90

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Solution

The fourth proportional to 74,664,017.70, 111,996,026.55 and 23,561,700.90 is: 35,342,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,664,017.70 : 111,996,026.55 = 23,561,700.90 : x
  2. Step 2: Convert to fraction form
    74,664,017.70/111,996,026.55 = 23,561,700.90/x
  3. Step 3: Cross multiply
    74,664,017.70x = 111,996,026.55 × 23,561,700.90
  4. Step 4: Simplify right side
    74,664,017.70x = 2,638,816,879,559,558.50
  5. Step 5: Solve for x
    x = 2,638,816,879,559,558.50/74,664,017.70
  6. Step 6: Final answer
    x = 35,342,551.35

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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.