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Finding the Fourth Proportional to 158,301.34, 218,412.52 and 101,745.52

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Solution

The fourth proportional to 158,301.34, 218,412.52 and 101,745.52 is: 140,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,301.34 : 218,412.52 = 101,745.52 : x
  2. Step 2: Convert to fraction form
    158,301.34/218,412.52 = 101,745.52/x
  3. Step 3: Cross multiply
    158,301.34x = 218,412.52 × 101,745.52
  4. Step 4: Simplify right side
    158,301.34x = 22,222,495,421.91
  5. Step 5: Solve for x
    x = 22,222,495,421.91/158,301.34
  6. Step 6: Final answer
    x = 140,380.97

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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.