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Finding the Fourth Proportional to 92,463.50, 127,604.22 and 56,655.50

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Solution

The fourth proportional to 92,463.50, 127,604.22 and 56,655.50 is: 78,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,463.50 : 127,604.22 = 56,655.50 : x
  2. Step 2: Convert to fraction form
    92,463.50/127,604.22 = 56,655.50/x
  3. Step 3: Cross multiply
    92,463.50x = 127,604.22 × 56,655.50
  4. Step 4: Simplify right side
    92,463.50x = 7,229,480,886.21
  5. Step 5: Solve for x
    x = 7,229,480,886.21/92,463.50
  6. Step 6: Final answer
    x = 78,187.40

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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.