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Finding the Fourth Proportional to 104,404.34, 144,078.37 and 56,657.68

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Solution

The fourth proportional to 104,404.34, 144,078.37 and 56,657.68 is: 78,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,404.34 : 144,078.37 = 56,657.68 : x
  2. Step 2: Convert to fraction form
    104,404.34/144,078.37 = 56,657.68/x
  3. Step 3: Cross multiply
    104,404.34x = 144,078.37 × 56,657.68
  4. Step 4: Simplify right side
    104,404.34x = 8,163,145,680.54
  5. Step 5: Solve for x
    x = 8,163,145,680.54/104,404.34
  6. Step 6: Final answer
    x = 78,187.80

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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.