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Finding the Fourth Proportional to 93,881.82, 129,556.98 and 55,660.23

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Solution

The fourth proportional to 93,881.82, 129,556.98 and 55,660.23 is: 76,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,881.82 : 129,556.98 = 55,660.23 : x
  2. Step 2: Convert to fraction form
    93,881.82/129,556.98 = 55,660.23/x
  3. Step 3: Cross multiply
    93,881.82x = 129,556.98 × 55,660.23
  4. Step 4: Simplify right side
    93,881.82x = 7,211,171,304.91
  5. Step 5: Solve for x
    x = 7,211,171,304.91/93,881.82
  6. Step 6: Final answer
    x = 76,811.15

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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.