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Finding the Fourth Proportional to 93,841.77, 129,453.21 and 63,616.89

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Solution

The fourth proportional to 93,841.77, 129,453.21 and 63,616.89 is: 87,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,841.77 : 129,453.21 = 63,616.89 : x
  2. Step 2: Convert to fraction form
    93,841.77/129,453.21 = 63,616.89/x
  3. Step 3: Cross multiply
    93,841.77x = 129,453.21 × 63,616.89
  4. Step 4: Simplify right side
    93,841.77x = 8,235,410,620.72
  5. Step 5: Solve for x
    x = 8,235,410,620.72/93,841.77
  6. Step 6: Final answer
    x = 87,758.47

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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.