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Finding the Fourth Proportional to 93,811.70, 129,457.64 and 53,524.73

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Solution

The fourth proportional to 93,811.70, 129,457.64 and 53,524.73 is: 73,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,811.70 : 129,457.64 = 53,524.73 : x
  2. Step 2: Convert to fraction form
    93,811.70/129,457.64 = 53,524.73/x
  3. Step 3: Cross multiply
    93,811.70x = 129,457.64 × 53,524.73
  4. Step 4: Simplify right side
    93,811.70x = 6,929,185,684.89
  5. Step 5: Solve for x
    x = 6,929,185,684.89/93,811.70
  6. Step 6: Final answer
    x = 73,862.70

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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.