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Finding the Fourth Proportional to 116,834.54, 161,125.81 and 76,533.59

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Solution

The fourth proportional to 116,834.54, 161,125.81 and 76,533.59 is: 105,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,834.54 : 161,125.81 = 76,533.59 : x
  2. Step 2: Convert to fraction form
    116,834.54/161,125.81 = 76,533.59/x
  3. Step 3: Cross multiply
    116,834.54x = 161,125.81 × 76,533.59
  4. Step 4: Simplify right side
    116,834.54x = 12,331,536,892.44
  5. Step 5: Solve for x
    x = 12,331,536,892.44/116,834.54
  6. Step 6: Final answer
    x = 105,547.02

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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.