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Finding the Fourth Proportional to 104,015.94, 143,541.50 and 56,268.87

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Solution

The fourth proportional to 104,015.94, 143,541.50 and 56,268.87 is: 77,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,015.94 : 143,541.50 = 56,268.87 : x
  2. Step 2: Convert to fraction form
    104,015.94/143,541.50 = 56,268.87/x
  3. Step 3: Cross multiply
    104,015.94x = 143,541.50 × 56,268.87
  4. Step 4: Simplify right side
    104,015.94x = 8,076,917,605.50
  5. Step 5: Solve for x
    x = 8,076,917,605.50/104,015.94
  6. Step 6: Final answer
    x = 77,650.77

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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.