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Finding the Fourth Proportional to 105,773.50, 158,511.07 and 58,409.92

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Solution

The fourth proportional to 105,773.50, 158,511.07 and 58,409.92 is: 87,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,773.50 : 158,511.07 = 58,409.92 : x
  2. Step 2: Convert to fraction form
    105,773.50/158,511.07 = 58,409.92/x
  3. Step 3: Cross multiply
    105,773.50x = 158,511.07 × 58,409.92
  4. Step 4: Simplify right side
    105,773.50x = 9,258,618,917.81
  5. Step 5: Solve for x
    x = 9,258,618,917.81/105,773.50
  6. Step 6: Final answer
    x = 87,532.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.