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Finding the Fourth Proportional to 158,239.51, 237,359.27 and 47,431.51

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Solution

The fourth proportional to 158,239.51, 237,359.27 and 47,431.51 is: 71,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,239.51 : 237,359.27 = 47,431.51 : x
  2. Step 2: Convert to fraction form
    158,239.51/237,359.27 = 47,431.51/x
  3. Step 3: Cross multiply
    158,239.51x = 237,359.27 × 47,431.51
  4. Step 4: Simplify right side
    158,239.51x = 11,258,308,881.69
  5. Step 5: Solve for x
    x = 11,258,308,881.69/158,239.51
  6. Step 6: Final answer
    x = 71,147.27

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1.5x scale

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.