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Finding the Fourth Proportional to 61,492.23, 92,238.45 and 17,118.98

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Solution

The fourth proportional to 61,492.23, 92,238.45 and 17,118.98 is: 25,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,492.23 : 92,238.45 = 17,118.98 : x
  2. Step 2: Convert to fraction form
    61,492.23/92,238.45 = 17,118.98/x
  3. Step 3: Cross multiply
    61,492.23x = 92,238.45 × 17,118.98
  4. Step 4: Simplify right side
    61,492.23x = 1,579,028,180.78
  5. Step 5: Solve for x
    x = 1,579,028,180.78/61,492.23
  6. Step 6: Final answer
    x = 25,678.50

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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.