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Finding the Fourth Proportional to 76,492.59, 114,699.29 and 34,336.37

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Solution

The fourth proportional to 76,492.59, 114,699.29 and 34,336.37 is: 51,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,492.59 : 114,699.29 = 34,336.37 : x
  2. Step 2: Convert to fraction form
    76,492.59/114,699.29 = 34,336.37/x
  3. Step 3: Cross multiply
    76,492.59x = 114,699.29 × 34,336.37
  4. Step 4: Simplify right side
    76,492.59x = 3,938,357,260.18
  5. Step 5: Solve for x
    x = 3,938,357,260.18/76,492.59
  6. Step 6: Final answer
    x = 51,486.78

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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.