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Finding the Fourth Proportional to 88,333.40, 132,556.80 and 48,918.80

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Solution

The fourth proportional to 88,333.40, 132,556.80 and 48,918.80 is: 73,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,333.40 : 132,556.80 = 48,918.80 : x
  2. Step 2: Convert to fraction form
    88,333.40/132,556.80 = 48,918.80/x
  3. Step 3: Cross multiply
    88,333.40x = 132,556.80 × 48,918.80
  4. Step 4: Simplify right side
    88,333.40x = 6,484,519,587.84
  5. Step 5: Solve for x
    x = 6,484,519,587.84/88,333.40
  6. Step 6: Final answer
    x = 73,409.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.