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Finding the Fourth Proportional to 177,660.80, 266,053.80 and 118,174.40

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Solution

The fourth proportional to 177,660.80, 266,053.80 and 118,174.40 is: 176,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,660.80 : 266,053.80 = 118,174.40 : x
  2. Step 2: Convert to fraction form
    177,660.80/266,053.80 = 118,174.40/x
  3. Step 3: Cross multiply
    177,660.80x = 266,053.80 × 118,174.40
  4. Step 4: Simplify right side
    177,660.80x = 31,440,748,182.72
  5. Step 5: Solve for x
    x = 31,440,748,182.72/177,660.80
  6. Step 6: Final answer
    x = 176,970.66

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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.