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Finding the Fourth Proportional to 177,596.40, 265,957.20 and 83,992.80

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Solution

The fourth proportional to 177,596.40, 265,957.20 and 83,992.80 is: 125,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,596.40 : 265,957.20 = 83,992.80 : x
  2. Step 2: Convert to fraction form
    177,596.40/265,957.20 = 83,992.80/x
  3. Step 3: Cross multiply
    177,596.40x = 265,957.20 × 83,992.80
  4. Step 4: Simplify right side
    177,596.40x = 22,338,489,908.16
  5. Step 5: Solve for x
    x = 22,338,489,908.16/177,596.40
  6. Step 6: Final answer
    x = 125,782.34

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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.