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Finding the Fourth Proportional to 177,708.80, 266,125.80 and 118,222.40

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Solution

The fourth proportional to 177,708.80, 266,125.80 and 118,222.40 is: 177,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,708.80 : 266,125.80 = 118,222.40 : x
  2. Step 2: Convert to fraction form
    177,708.80/266,125.80 = 118,222.40/x
  3. Step 3: Cross multiply
    177,708.80x = 266,125.80 × 118,222.40
  4. Step 4: Simplify right side
    177,708.80x = 31,462,030,777.92
  5. Step 5: Solve for x
    x = 31,462,030,777.92/177,708.80
  6. Step 6: Final answer
    x = 177,042.62

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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.