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Finding the Fourth Proportional to 66,739,603.20, 100,109,404.80 and 23,657,452.80

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Solution

The fourth proportional to 66,739,603.20, 100,109,404.80 and 23,657,452.80 is: 35,486,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,739,603.20 : 100,109,404.80 = 23,657,452.80 : x
  2. Step 2: Convert to fraction form
    66,739,603.20/100,109,404.80 = 23,657,452.80/x
  3. Step 3: Cross multiply
    66,739,603.20x = 100,109,404.80 × 23,657,452.80
  4. Step 4: Simplify right side
    66,739,603.20x = 2,368,333,518,892,093.50
  5. Step 5: Solve for x
    x = 2,368,333,518,892,093.50/66,739,603.20
  6. Step 6: Final answer
    x = 35,486,179.20

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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.