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Finding the Fourth Proportional to 95,971.50, 132,437.84 and 55,682.51

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Solution

The fourth proportional to 95,971.50, 132,437.84 and 55,682.51 is: 76,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,971.50 : 132,437.84 = 55,682.51 : x
  2. Step 2: Convert to fraction form
    95,971.50/132,437.84 = 55,682.51/x
  3. Step 3: Cross multiply
    95,971.50x = 132,437.84 × 55,682.51
  4. Step 4: Simplify right side
    95,971.50x = 7,374,470,409.58
  5. Step 5: Solve for x
    x = 7,374,470,409.58/95,971.50
  6. Step 6: Final answer
    x = 76,840.21

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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.