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Finding the Fourth Proportional to 122,550.30, 183,868.65 and 118,230.30

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Solution

The fourth proportional to 122,550.30, 183,868.65 and 118,230.30 is: 177,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,550.30 : 183,868.65 = 118,230.30 : x
  2. Step 2: Convert to fraction form
    122,550.30/183,868.65 = 118,230.30/x
  3. Step 3: Cross multiply
    122,550.30x = 183,868.65 × 118,230.30
  4. Step 4: Simplify right side
    122,550.30x = 21,738,845,650.10
  5. Step 5: Solve for x
    x = 21,738,845,650.10/122,550.30
  6. Step 6: Final answer
    x = 177,387.13

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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.