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Finding the Fourth Proportional to 158,347.72, 237,523.12 and 126,679.11

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Solution

The fourth proportional to 158,347.72, 237,523.12 and 126,679.11 is: 190,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,347.72 : 237,523.12 = 126,679.11 : x
  2. Step 2: Convert to fraction form
    158,347.72/237,523.12 = 126,679.11/x
  3. Step 3: Cross multiply
    158,347.72x = 237,523.12 × 126,679.11
  4. Step 4: Simplify right side
    158,347.72x = 30,089,216,238.61
  5. Step 5: Solve for x
    x = 30,089,216,238.61/158,347.72
  6. Step 6: Final answer
    x = 190,019.89

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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.