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Finding the Fourth Proportional to 107,412.88, 148,229.70 and 59,670.67

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Solution

The fourth proportional to 107,412.88, 148,229.70 and 59,670.67 is: 82,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,412.88 : 148,229.70 = 59,670.67 : x
  2. Step 2: Convert to fraction form
    107,412.88/148,229.70 = 59,670.67/x
  3. Step 3: Cross multiply
    107,412.88x = 148,229.70 × 59,670.67
  4. Step 4: Simplify right side
    107,412.88x = 8,844,965,512.90
  5. Step 5: Solve for x
    x = 8,844,965,512.90/107,412.88
  6. Step 6: Final answer
    x = 82,345.48

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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.