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Finding the Fourth Proportional to 250,254.60, 375,405.74 and 70,339.56

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Solution

The fourth proportional to 250,254.60, 375,405.74 and 70,339.56 is: 105,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,254.60 : 375,405.74 = 70,339.56 : x
  2. Step 2: Convert to fraction form
    250,254.60/375,405.74 = 70,339.56/x
  3. Step 3: Cross multiply
    250,254.60x = 375,405.74 × 70,339.56
  4. Step 4: Simplify right side
    250,254.60x = 26,405,874,573.07
  5. Step 5: Solve for x
    x = 26,405,874,573.07/250,254.60
  6. Step 6: Final answer
    x = 105,516.04

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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.