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Finding the Fourth Proportional to 104,558.54, 144,292.91 and 56,814.98

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Solution

The fourth proportional to 104,558.54, 144,292.91 and 56,814.98 is: 78,405.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,558.54 : 144,292.91 = 56,814.98 : x
  2. Step 2: Convert to fraction form
    104,558.54/144,292.91 = 56,814.98/x
  3. Step 3: Cross multiply
    104,558.54x = 144,292.91 × 56,814.98
  4. Step 4: Simplify right side
    104,558.54x = 8,197,997,790.25
  5. Step 5: Solve for x
    x = 8,197,997,790.25/104,558.54
  6. Step 6: Final answer
    x = 78,405.82

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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.