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Finding the Fourth Proportional to 270,900.30, 373,838.64 and 156,179.16

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Solution

The fourth proportional to 270,900.30, 373,838.64 and 156,179.16 is: 215,525.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,900.30 : 373,838.64 = 156,179.16 : x
  2. Step 2: Convert to fraction form
    270,900.30/373,838.64 = 156,179.16/x
  3. Step 3: Cross multiply
    270,900.30x = 373,838.64 × 156,179.16
  4. Step 4: Simplify right side
    270,900.30x = 58,385,804,770.74
  5. Step 5: Solve for x
    x = 58,385,804,770.74/270,900.30
  6. Step 6: Final answer
    x = 215,525.07

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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.