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Finding the Fourth Proportional to 177,104.40, 265,807.80 and 71,998.80

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Solution

The fourth proportional to 177,104.40, 265,807.80 and 71,998.80 is: 108,059.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,104.40 : 265,807.80 = 71,998.80 : x
  2. Step 2: Convert to fraction form
    177,104.40/265,807.80 = 71,998.80/x
  3. Step 3: Cross multiply
    177,104.40x = 265,807.80 × 71,998.80
  4. Step 4: Simplify right side
    177,104.40x = 19,137,842,630.64
  5. Step 5: Solve for x
    x = 19,137,842,630.64/177,104.40
  6. Step 6: Final answer
    x = 108,059.67

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1.5x scale

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.