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Finding the Fourth Proportional to 61,492.01, 92,238.12 and 17,118.81

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Solution

The fourth proportional to 61,492.01, 92,238.12 and 17,118.81 is: 25,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,492.01 : 92,238.12 = 17,118.81 : x
  2. Step 2: Convert to fraction form
    61,492.01/92,238.12 = 17,118.81/x
  3. Step 3: Cross multiply
    61,492.01x = 92,238.12 × 17,118.81
  4. Step 4: Simplify right side
    61,492.01x = 1,579,006,851.04
  5. Step 5: Solve for x
    x = 1,579,006,851.04/61,492.01
  6. Step 6: Final answer
    x = 25,678.25

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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.