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Finding the Fourth Proportional to 108,541.60, 162,812.40 and 95,419.60

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Solution

The fourth proportional to 108,541.60, 162,812.40 and 95,419.60 is: 143,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,541.60 : 162,812.40 = 95,419.60 : x
  2. Step 2: Convert to fraction form
    108,541.60/162,812.40 = 95,419.60/x
  3. Step 3: Cross multiply
    108,541.60x = 162,812.40 × 95,419.60
  4. Step 4: Simplify right side
    108,541.60x = 15,535,494,083.04
  5. Step 5: Solve for x
    x = 15,535,494,083.04/108,541.60
  6. Step 6: Final answer
    x = 143,129.40

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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.