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Finding the Fourth Proportional to 107,685.91, 148,606.56 and 59,938.23

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Solution

The fourth proportional to 107,685.91, 148,606.56 and 59,938.23 is: 82,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,685.91 : 148,606.56 = 59,938.23 : x
  2. Step 2: Convert to fraction form
    107,685.91/148,606.56 = 59,938.23/x
  3. Step 3: Cross multiply
    107,685.91x = 148,606.56 × 59,938.23
  4. Step 4: Simplify right side
    107,685.91x = 8,907,214,172.79
  5. Step 5: Solve for x
    x = 8,907,214,172.79/107,685.91
  6. Step 6: Final answer
    x = 82,714.76

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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.