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Finding the Fourth Proportional to 108,032.40, 161,971.80 and 41,446.80

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Solution

The fourth proportional to 108,032.40, 161,971.80 and 41,446.80 is: 62,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,032.40 : 161,971.80 = 41,446.80 : x
  2. Step 2: Convert to fraction form
    108,032.40/161,971.80 = 41,446.80/x
  3. Step 3: Cross multiply
    108,032.40x = 161,971.80 × 41,446.80
  4. Step 4: Simplify right side
    108,032.40x = 6,713,212,800.24
  5. Step 5: Solve for x
    x = 6,713,212,800.24/108,032.40
  6. Step 6: Final answer
    x = 62,140.74

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1.5x scale

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.