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Finding the Fourth Proportional to 104,422.75, 144,101.76 and 56,675.68

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Solution

The fourth proportional to 104,422.75, 144,101.76 and 56,675.68 is: 78,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,422.75 : 144,101.76 = 56,675.68 : x
  2. Step 2: Convert to fraction form
    104,422.75/144,101.76 = 56,675.68/x
  3. Step 3: Cross multiply
    104,422.75x = 144,101.76 × 56,675.68
  4. Step 4: Simplify right side
    104,422.75x = 8,167,065,237.20
  5. Step 5: Solve for x
    x = 8,167,065,237.20/104,422.75
  6. Step 6: Final answer
    x = 78,211.55

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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.