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Finding the Fourth Proportional to 250,693, 345,956.34 and 137,516.02

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Solution

The fourth proportional to 250,693, 345,956.34 and 137,516.02 is: 189,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,693 : 345,956.34 = 137,516.02 : x
  2. Step 2: Convert to fraction form
    250,693/345,956.34 = 137,516.02/x
  3. Step 3: Cross multiply
    250,693x = 345,956.34 × 137,516.02
  4. Step 4: Simplify right side
    250,693x = 47,574,538,970.57
  5. Step 5: Solve for x
    x = 47,574,538,970.57/250,693
  6. Step 6: Final answer
    x = 189,772.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.