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Finding the Fourth Proportional to 104,099.96, 143,657.92 and 56,353.27

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Solution

The fourth proportional to 104,099.96, 143,657.92 and 56,353.27 is: 77,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,099.96 : 143,657.92 = 56,353.27 : x
  2. Step 2: Convert to fraction form
    104,099.96/143,657.92 = 56,353.27/x
  3. Step 3: Cross multiply
    104,099.96x = 143,657.92 × 56,353.27
  4. Step 4: Simplify right side
    104,099.96x = 8,095,593,296.31
  5. Step 5: Solve for x
    x = 8,095,593,296.31/104,099.96
  6. Step 6: Final answer
    x = 77,767.50

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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.