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Finding the Fourth Proportional to 88,776.96, 122,486.40 and 51,037.44

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Solution

The fourth proportional to 88,776.96, 122,486.40 and 51,037.44 is: 70,416.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,776.96 : 122,486.40 = 51,037.44 : x
  2. Step 2: Convert to fraction form
    88,776.96/122,486.40 = 51,037.44/x
  3. Step 3: Cross multiply
    88,776.96x = 122,486.40 × 51,037.44
  4. Step 4: Simplify right side
    88,776.96x = 6,251,392,290.82
  5. Step 5: Solve for x
    x = 6,251,392,290.82/88,776.96
  6. Step 6: Final answer
    x = 70,416.83

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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.