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Finding the Fourth Proportional to 180,937.80, 271,665.90 and 102,205.80

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Solution

The fourth proportional to 180,937.80, 271,665.90 and 102,205.80 is: 153,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,937.80 : 271,665.90 = 102,205.80 : x
  2. Step 2: Convert to fraction form
    180,937.80/271,665.90 = 102,205.80/x
  3. Step 3: Cross multiply
    180,937.80x = 271,665.90 × 102,205.80
  4. Step 4: Simplify right side
    180,937.80x = 27,765,830,642.22
  5. Step 5: Solve for x
    x = 27,765,830,642.22/180,937.80
  6. Step 6: Final answer
    x = 153,455.11

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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.