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Finding the Fourth Proportional to 180,668.18, 270,706.62 and 109,374.72

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Solution

The fourth proportional to 180,668.18, 270,706.62 and 109,374.72 is: 163,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,668.18 : 270,706.62 = 109,374.72 : x
  2. Step 2: Convert to fraction form
    180,668.18/270,706.62 = 109,374.72/x
  3. Step 3: Cross multiply
    180,668.18x = 270,706.62 × 109,374.72
  4. Step 4: Simplify right side
    180,668.18x = 29,608,461,220.95
  5. Step 5: Solve for x
    x = 29,608,461,220.95/180,668.18
  6. Step 6: Final answer
    x = 163,883.10

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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.