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Finding the Fourth Proportional to 109,672.37, 164,508.55 and 39,551.68

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Solution

The fourth proportional to 109,672.37, 164,508.55 and 39,551.68 is: 59,327.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,672.37 : 164,508.55 = 39,551.68 : x
  2. Step 2: Convert to fraction form
    109,672.37/164,508.55 = 39,551.68/x
  3. Step 3: Cross multiply
    109,672.37x = 164,508.55 × 39,551.68
  4. Step 4: Simplify right side
    109,672.37x = 6,506,589,526.86
  5. Step 5: Solve for x
    x = 6,506,589,526.86/109,672.37
  6. Step 6: Final answer
    x = 59,327.52

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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.