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Finding the Fourth Proportional to 92,463.84, 127,568.40 and 52,172.64

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Solution

The fourth proportional to 92,463.84, 127,568.40 and 52,172.64 is: 71,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,463.84 : 127,568.40 = 52,172.64 : x
  2. Step 2: Convert to fraction form
    92,463.84/127,568.40 = 52,172.64/x
  3. Step 3: Cross multiply
    92,463.84x = 127,568.40 × 52,172.64
  4. Step 4: Simplify right side
    92,463.84x = 6,655,580,208.58
  5. Step 5: Solve for x
    x = 6,655,580,208.58/92,463.84
  6. Step 6: Final answer
    x = 71,980.36

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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.