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Finding the Fourth Proportional to 92,075.06, 127,054.51 and 51,787.96

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Solution

The fourth proportional to 92,075.06, 127,054.51 and 51,787.96 is: 71,462.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,075.06 : 127,054.51 = 51,787.96 : x
  2. Step 2: Convert to fraction form
    92,075.06/127,054.51 = 51,787.96/x
  3. Step 3: Cross multiply
    92,075.06x = 127,054.51 × 51,787.96
  4. Step 4: Simplify right side
    92,075.06x = 6,579,893,434.59
  5. Step 5: Solve for x
    x = 6,579,893,434.59/92,075.06
  6. Step 6: Final answer
    x = 71,462.27

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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.