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Finding the Fourth Proportional to 116,672.96, 175,184.40 and 66,809.44

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Solution

The fourth proportional to 116,672.96, 175,184.40 and 66,809.44 is: 100,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,672.96 : 175,184.40 = 66,809.44 : x
  2. Step 2: Convert to fraction form
    116,672.96/175,184.40 = 66,809.44/x
  3. Step 3: Cross multiply
    116,672.96x = 175,184.40 × 66,809.44
  4. Step 4: Simplify right side
    116,672.96x = 11,703,971,660.74
  5. Step 5: Solve for x
    x = 11,703,971,660.74/116,672.96
  6. Step 6: Final answer
    x = 100,314.35

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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.