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Finding the Fourth Proportional to 260,270.53, 359,166.58 and 143,988.29

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Solution

The fourth proportional to 260,270.53, 359,166.58 and 143,988.29 is: 198,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,270.53 : 359,166.58 = 143,988.29 : x
  2. Step 2: Convert to fraction form
    260,270.53/359,166.58 = 143,988.29/x
  3. Step 3: Cross multiply
    260,270.53x = 359,166.58 × 143,988.29
  4. Step 4: Simplify right side
    260,270.53x = 51,715,781,679.35
  5. Step 5: Solve for x
    x = 51,715,781,679.35/260,270.53
  6. Step 6: Final answer
    x = 198,700.11

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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.