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Finding the Fourth Proportional to 164,381,536.80, 246,607,642.32 and 47,798,918.64

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Solution

The fourth proportional to 164,381,536.80, 246,607,642.32 and 47,798,918.64 is: 71,708,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,381,536.80 : 246,607,642.32 = 47,798,918.64 : x
  2. Step 2: Convert to fraction form
    164,381,536.80/246,607,642.32 = 47,798,918.64/x
  3. Step 3: Cross multiply
    164,381,536.80x = 246,607,642.32 × 47,798,918.64
  4. Step 4: Simplify right side
    164,381,536.80x = 11,787,578,631,255,900
  5. Step 5: Solve for x
    x = 11,787,578,631,255,900/164,381,536.80
  6. Step 6: Final answer
    x = 71,708,653.30

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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.