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Finding the Fourth Proportional to 108,495.98, 149,624.53 and 74,444.39

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Solution

The fourth proportional to 108,495.98, 149,624.53 and 74,444.39 is: 102,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,495.98 : 149,624.53 = 74,444.39 : x
  2. Step 2: Convert to fraction form
    108,495.98/149,624.53 = 74,444.39/x
  3. Step 3: Cross multiply
    108,495.98x = 149,624.53 × 74,444.39
  4. Step 4: Simplify right side
    108,495.98x = 11,138,705,930.65
  5. Step 5: Solve for x
    x = 11,138,705,930.65/108,495.98
  6. Step 6: Final answer
    x = 102,664.69

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1.5x scale

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.