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Finding the Fourth Proportional to 108,568.48, 149,814.48 and 60,823.84

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Solution

The fourth proportional to 108,568.48, 149,814.48 and 60,823.84 is: 83,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,568.48 : 149,814.48 = 60,823.84 : x
  2. Step 2: Convert to fraction form
    108,568.48/149,814.48 = 60,823.84/x
  3. Step 3: Cross multiply
    108,568.48x = 149,814.48 × 60,823.84
  4. Step 4: Simplify right side
    108,568.48x = 9,112,291,961.20
  5. Step 5: Solve for x
    x = 9,112,291,961.20/108,568.48
  6. Step 6: Final answer
    x = 83,931.28

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Why These Related Problems?

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