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Finding the Fourth Proportional to 108,641.58, 149,922.54 and 60,898.02

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Solution

The fourth proportional to 108,641.58, 149,922.54 and 60,898.02 is: 84,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,641.58 : 149,922.54 = 60,898.02 : x
  2. Step 2: Convert to fraction form
    108,641.58/149,922.54 = 60,898.02/x
  3. Step 3: Cross multiply
    108,641.58x = 149,922.54 × 60,898.02
  4. Step 4: Simplify right side
    108,641.58x = 9,129,985,839.37
  5. Step 5: Solve for x
    x = 9,129,985,839.37/108,641.58
  6. Step 6: Final answer
    x = 84,037.68

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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.