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Finding the Fourth Proportional to 177,034.64, 265,674.57 and 70,407.65

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Solution

The fourth proportional to 177,034.64, 265,674.57 and 70,407.65 is: 105,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,034.64 : 265,674.57 = 70,407.65 : x
  2. Step 2: Convert to fraction form
    177,034.64/265,674.57 = 70,407.65/x
  3. Step 3: Cross multiply
    177,034.64x = 265,674.57 × 70,407.65
  4. Step 4: Simplify right side
    177,034.64x = 18,705,522,138.46
  5. Step 5: Solve for x
    x = 18,705,522,138.46/177,034.64
  6. Step 6: Final answer
    x = 105,660.24

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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.