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Finding the Fourth Proportional to 250,704.88, 345,972.80 and 137,527.63

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Solution

The fourth proportional to 250,704.88, 345,972.80 and 137,527.63 is: 189,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,704.88 : 345,972.80 = 137,527.63 : x
  2. Step 2: Convert to fraction form
    250,704.88/345,972.80 = 137,527.63/x
  3. Step 3: Cross multiply
    250,704.88x = 345,972.80 × 137,527.63
  4. Step 4: Simplify right side
    250,704.88x = 47,580,819,228.46
  5. Step 5: Solve for x
    x = 47,580,819,228.46/250,704.88
  6. Step 6: Final answer
    x = 189,788.17

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1.5x scale

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.