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Finding the Fourth Proportional to 199,230.08, 274,830.72 and 127,532.96

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Solution

The fourth proportional to 199,230.08, 274,830.72 and 127,532.96 is: 175,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,230.08 : 274,830.72 = 127,532.96 : x
  2. Step 2: Convert to fraction form
    199,230.08/274,830.72 = 127,532.96/x
  3. Step 3: Cross multiply
    199,230.08x = 274,830.72 × 127,532.96
  4. Step 4: Simplify right side
    199,230.08x = 35,049,975,220.53
  5. Step 5: Solve for x
    x = 35,049,975,220.53/199,230.08
  6. Step 6: Final answer
    x = 175,927.13

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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.