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Finding the Fourth Proportional to 95,810.92, 132,112.74 and 78,530.92

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Solution

The fourth proportional to 95,810.92, 132,112.74 and 78,530.92 is: 108,285.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,810.92 : 132,112.74 = 78,530.92 : x
  2. Step 2: Convert to fraction form
    95,810.92/132,112.74 = 78,530.92/x
  3. Step 3: Cross multiply
    95,810.92x = 132,112.74 × 78,530.92
  4. Step 4: Simplify right side
    95,810.92x = 10,374,935,015.92
  5. Step 5: Solve for x
    x = 10,374,935,015.92/95,810.92
  6. Step 6: Final answer
    x = 108,285.52

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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.