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Finding the Fourth Proportional to 66,518,568.95, 99,777,853.43 and 66,518,568.95

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Solution

The fourth proportional to 66,518,568.95, 99,777,853.43 and 66,518,568.95 is: 99,777,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,518,568.95 : 99,777,853.43 = 66,518,568.95 : x
  2. Step 2: Convert to fraction form
    66,518,568.95/99,777,853.43 = 66,518,568.95/x
  3. Step 3: Cross multiply
    66,518,568.95x = 99,777,853.43 × 66,518,568.95
  4. Step 4: Simplify right side
    66,518,568.95x = 6,637,080,022,733,856
  5. Step 5: Solve for x
    x = 6,637,080,022,733,856/66,518,568.95
  6. Step 6: Final answer
    x = 99,777,853.43

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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.