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Finding the Fourth Proportional to 157,237.54, 217,200.09 and 125,628.10

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Solution

The fourth proportional to 157,237.54, 217,200.09 and 125,628.10 is: 173,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,237.54 : 217,200.09 = 125,628.10 : x
  2. Step 2: Convert to fraction form
    157,237.54/217,200.09 = 125,628.10/x
  3. Step 3: Cross multiply
    157,237.54x = 217,200.09 × 125,628.10
  4. Step 4: Simplify right side
    157,237.54x = 27,286,434,626.53
  5. Step 5: Solve for x
    x = 27,286,434,626.53/157,237.54
  6. Step 6: Final answer
    x = 173,536.39

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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.