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Finding the Fourth Proportional to 177,653.90, 266,043.45 and 84,050.30

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Solution

The fourth proportional to 177,653.90, 266,043.45 and 84,050.30 is: 125,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,653.90 : 266,043.45 = 84,050.30 : x
  2. Step 2: Convert to fraction form
    177,653.90/266,043.45 = 84,050.30/x
  3. Step 3: Cross multiply
    177,653.90x = 266,043.45 × 84,050.30
  4. Step 4: Simplify right side
    177,653.90x = 22,361,031,785.54
  5. Step 5: Solve for x
    x = 22,361,031,785.54/177,653.90
  6. Step 6: Final answer
    x = 125,868.51

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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.