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Finding the Fourth Proportional to 92,274.80, 138,412.20 and 52,804.00

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Solution

The fourth proportional to 92,274.80, 138,412.20 and 52,804.00 is: 79,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,274.80 : 138,412.20 = 52,804.00 : x
  2. Step 2: Convert to fraction form
    92,274.80/138,412.20 = 52,804.00/x
  3. Step 3: Cross multiply
    92,274.80x = 138,412.20 × 52,804.00
  4. Step 4: Simplify right side
    92,274.80x = 7,308,718,179.83
  5. Step 5: Solve for x
    x = 7,308,718,179.83/92,274.80
  6. Step 6: Final answer
    x = 79,206.01

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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.