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Finding the Fourth Proportional to 108,461.84, 149,678.93 and 62,496.14

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Solution

The fourth proportional to 108,461.84, 149,678.93 and 62,496.14 is: 86,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,461.84 : 149,678.93 = 62,496.14 : x
  2. Step 2: Convert to fraction form
    108,461.84/149,678.93 = 62,496.14/x
  3. Step 3: Cross multiply
    108,461.84x = 149,678.93 × 62,496.14
  4. Step 4: Simplify right side
    108,461.84x = 9,354,355,051.85
  5. Step 5: Solve for x
    x = 9,354,355,051.85/108,461.84
  6. Step 6: Final answer
    x = 86,245.59

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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.