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Finding the Fourth Proportional to 116,328.29, 160,492.15 and 76,065.62

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Solution

The fourth proportional to 116,328.29, 160,492.15 and 76,065.62 is: 104,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,328.29 : 160,492.15 = 76,065.62 : x
  2. Step 2: Convert to fraction form
    116,328.29/160,492.15 = 76,065.62/x
  3. Step 3: Cross multiply
    116,328.29x = 160,492.15 × 76,065.62
  4. Step 4: Simplify right side
    116,328.29x = 12,207,933,712.09
  5. Step 5: Solve for x
    x = 12,207,933,712.09/116,328.29
  6. Step 6: Final answer
    x = 104,943.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.