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Finding the Fourth Proportional to 92,341.80, 127,401.75 and 56,494.44

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Solution

The fourth proportional to 92,341.80, 127,401.75 and 56,494.44 is: 77,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,341.80 : 127,401.75 = 56,494.44 : x
  2. Step 2: Convert to fraction form
    92,341.80/127,401.75 = 56,494.44/x
  3. Step 3: Cross multiply
    92,341.80x = 127,401.75 × 56,494.44
  4. Step 4: Simplify right side
    92,341.80x = 7,197,490,521.27
  5. Step 5: Solve for x
    x = 7,197,490,521.27/92,341.80
  6. Step 6: Final answer
    x = 77,944.01

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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.