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Finding the Fourth Proportional to 109,684.88, 164,613.87 and 56,374.73

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Solution

The fourth proportional to 109,684.88, 164,613.87 and 56,374.73 is: 84,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,684.88 : 164,613.87 = 56,374.73 : x
  2. Step 2: Convert to fraction form
    109,684.88/164,613.87 = 56,374.73/x
  3. Step 3: Cross multiply
    109,684.88x = 164,613.87 × 56,374.73
  4. Step 4: Simplify right side
    109,684.88x = 9,280,062,475.51
  5. Step 5: Solve for x
    x = 9,280,062,475.51/109,684.88
  6. Step 6: Final answer
    x = 84,606.58

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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.