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Finding the Fourth Proportional to 92,492.64, 138,714.68 and 33,317.28

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Solution

The fourth proportional to 92,492.64, 138,714.68 and 33,317.28 is: 49,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,492.64 : 138,714.68 = 33,317.28 : x
  2. Step 2: Convert to fraction form
    92,492.64/138,714.68 = 33,317.28/x
  3. Step 3: Cross multiply
    92,492.64x = 138,714.68 × 33,317.28
  4. Step 4: Simplify right side
    92,492.64x = 4,621,595,833.67
  5. Step 5: Solve for x
    x = 4,621,595,833.67/92,492.64
  6. Step 6: Final answer
    x = 49,967.17

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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.