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Finding the Fourth Proportional to 108,446.61, 149,627.94 and 62,495.01

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Solution

The fourth proportional to 108,446.61, 149,627.94 and 62,495.01 is: 86,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,446.61 : 149,627.94 = 62,495.01 : x
  2. Step 2: Convert to fraction form
    108,446.61/149,627.94 = 62,495.01/x
  3. Step 3: Cross multiply
    108,446.61x = 149,627.94 × 62,495.01
  4. Step 4: Simplify right side
    108,446.61x = 9,350,999,606.58
  5. Step 5: Solve for x
    x = 9,350,999,606.58/108,446.61
  6. Step 6: Final answer
    x = 86,226.76

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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.