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Finding the Fourth Proportional to 117,649, 176,374.27 and 51,038.97

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Solution

The fourth proportional to 117,649, 176,374.27 and 51,038.97 is: 76,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,649 : 176,374.27 = 51,038.97 : x
  2. Step 2: Convert to fraction form
    117,649/176,374.27 = 51,038.97/x
  3. Step 3: Cross multiply
    117,649x = 176,374.27 × 51,038.97
  4. Step 4: Simplify right side
    117,649x = 9,001,961,075.30
  5. Step 5: Solve for x
    x = 9,001,961,075.30/117,649
  6. Step 6: Final answer
    x = 76,515.41

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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.