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Finding the Fourth Proportional to 104,347.85, 143,999.52 and 58,407.71

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Solution

The fourth proportional to 104,347.85, 143,999.52 and 58,407.71 is: 80,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,347.85 : 143,999.52 = 58,407.71 : x
  2. Step 2: Convert to fraction form
    104,347.85/143,999.52 = 58,407.71/x
  3. Step 3: Cross multiply
    104,347.85x = 143,999.52 × 58,407.71
  4. Step 4: Simplify right side
    104,347.85x = 8,410,682,204.30
  5. Step 5: Solve for x
    x = 8,410,682,204.30/104,347.85
  6. Step 6: Final answer
    x = 80,602.35

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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.