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Finding the Fourth Proportional to 177,420.30, 265,482.45 and 130,764.30

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Solution

The fourth proportional to 177,420.30, 265,482.45 and 130,764.30 is: 195,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,420.30 : 265,482.45 = 130,764.30 : x
  2. Step 2: Convert to fraction form
    177,420.30/265,482.45 = 130,764.30/x
  3. Step 3: Cross multiply
    177,420.30x = 265,482.45 × 130,764.30
  4. Step 4: Simplify right side
    177,420.30x = 34,715,626,736.54
  5. Step 5: Solve for x
    x = 34,715,626,736.54/177,420.30
  6. Step 6: Final answer
    x = 195,668.85

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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.