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Finding the Fourth Proportional to 108,212.64, 149,334.18 and 60,468

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Solution

The fourth proportional to 108,212.64, 149,334.18 and 60,468 is: 83,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,212.64 : 149,334.18 = 60,468 : x
  2. Step 2: Convert to fraction form
    108,212.64/149,334.18 = 60,468/x
  3. Step 3: Cross multiply
    108,212.64x = 149,334.18 × 60,468
  4. Step 4: Simplify right side
    108,212.64x = 9,029,939,196.24
  5. Step 5: Solve for x
    x = 9,029,939,196.24/108,212.64
  6. Step 6: Final answer
    x = 83,446.25

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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.