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Finding the Fourth Proportional to 177,794.70, 266,730.45 and 53,148.30

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Solution

The fourth proportional to 177,794.70, 266,730.45 and 53,148.30 is: 79,733.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,794.70 : 266,730.45 = 53,148.30 : x
  2. Step 2: Convert to fraction form
    177,794.70/266,730.45 = 53,148.30/x
  3. Step 3: Cross multiply
    177,794.70x = 266,730.45 × 53,148.30
  4. Step 4: Simplify right side
    177,794.70x = 14,176,269,975.74
  5. Step 5: Solve for x
    x = 14,176,269,975.74/177,794.70
  6. Step 6: Final answer
    x = 79,733.93

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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.