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Finding the Fourth Proportional to 92,952.63, 128,274.75 and 52,669.11

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Solution

The fourth proportional to 92,952.63, 128,274.75 and 52,669.11 is: 72,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,952.63 : 128,274.75 = 52,669.11 : x
  2. Step 2: Convert to fraction form
    92,952.63/128,274.75 = 52,669.11/x
  3. Step 3: Cross multiply
    92,952.63x = 128,274.75 × 52,669.11
  4. Step 4: Simplify right side
    92,952.63x = 6,756,116,917.97
  5. Step 5: Solve for x
    x = 6,756,116,917.97/92,952.63
  6. Step 6: Final answer
    x = 72,683.44

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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.