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Finding the Fourth Proportional to 93,772.94, 129,398.46 and 55,525.63

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Solution

The fourth proportional to 93,772.94, 129,398.46 and 55,525.63 is: 76,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,772.94 : 129,398.46 = 55,525.63 : x
  2. Step 2: Convert to fraction form
    93,772.94/129,398.46 = 55,525.63/x
  3. Step 3: Cross multiply
    93,772.94x = 129,398.46 × 55,525.63
  4. Step 4: Simplify right side
    93,772.94x = 7,184,930,671.83
  5. Step 5: Solve for x
    x = 7,184,930,671.83/93,772.94
  6. Step 6: Final answer
    x = 76,620.51

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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.