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Finding the Fourth Proportional to 66,441,662.70, 99,662,494.05 and 37,265,551.80

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Solution

The fourth proportional to 66,441,662.70, 99,662,494.05 and 37,265,551.80 is: 55,898,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441,662.70 : 99,662,494.05 = 37,265,551.80 : x
  2. Step 2: Convert to fraction form
    66,441,662.70/99,662,494.05 = 37,265,551.80/x
  3. Step 3: Cross multiply
    66,441,662.70x = 99,662,494.05 × 37,265,551.80
  4. Step 4: Simplify right side
    66,441,662.70x = 3,713,977,834,537,466.50
  5. Step 5: Solve for x
    x = 3,713,977,834,537,466.50/66,441,662.70
  6. Step 6: Final answer
    x = 55,898,327.70

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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.