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Finding the Fourth Proportional to 74,999.82, 103,495.95 and 41,459.34

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Solution

The fourth proportional to 74,999.82, 103,495.95 and 41,459.34 is: 57,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,999.82 : 103,495.95 = 41,459.34 : x
  2. Step 2: Convert to fraction form
    74,999.82/103,495.95 = 41,459.34/x
  3. Step 3: Cross multiply
    74,999.82x = 103,495.95 × 41,459.34
  4. Step 4: Simplify right side
    74,999.82x = 4,290,873,779.67
  5. Step 5: Solve for x
    x = 4,290,873,779.67/74,999.82
  6. Step 6: Final answer
    x = 57,211.79

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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.