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Finding the Fourth Proportional to 107,689.68, 148,607.40 and 59,941.68

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Solution

The fourth proportional to 107,689.68, 148,607.40 and 59,941.68 is: 82,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,689.68 : 148,607.40 = 59,941.68 : x
  2. Step 2: Convert to fraction form
    107,689.68/148,607.40 = 59,941.68/x
  3. Step 3: Cross multiply
    107,689.68x = 148,607.40 × 59,941.68
  4. Step 4: Simplify right side
    107,689.68x = 8,907,777,216.43
  5. Step 5: Solve for x
    x = 8,907,777,216.43/107,689.68
  6. Step 6: Final answer
    x = 82,717.09

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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.