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Finding the Fourth Proportional to 92,069.50, 127,054.65 and 51,783.25

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Solution

The fourth proportional to 92,069.50, 127,054.65 and 51,783.25 is: 71,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,069.50 : 127,054.65 = 51,783.25 : x
  2. Step 2: Convert to fraction form
    92,069.50/127,054.65 = 51,783.25/x
  3. Step 3: Cross multiply
    92,069.50x = 127,054.65 × 51,783.25
  4. Step 4: Simplify right side
    92,069.50x = 6,579,302,704.61
  5. Step 5: Solve for x
    x = 6,579,302,704.61/92,069.50
  6. Step 6: Final answer
    x = 71,460.18

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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.