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Finding the Fourth Proportional to 66,839,854.94, 92,237,625.32 and 37,065,698.26

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Solution

The fourth proportional to 66,839,854.94, 92,237,625.32 and 37,065,698.26 is: 51,149,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,839,854.94 : 92,237,625.32 = 37,065,698.26 : x
  2. Step 2: Convert to fraction form
    66,839,854.94/92,237,625.32 = 37,065,698.26/x
  3. Step 3: Cross multiply
    66,839,854.94x = 92,237,625.32 × 37,065,698.26
  4. Step 4: Simplify right side
    66,839,854.94x = 3,418,851,988,432,970
  5. Step 5: Solve for x
    x = 3,418,851,988,432,970/66,839,854.94
  6. Step 6: Final answer
    x = 51,149,901.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.