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Finding the Fourth Proportional to 253,025.76, 349,469.76 and 167,995.20

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Solution

The fourth proportional to 253,025.76, 349,469.76 and 167,995.20 is: 232,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,025.76 : 349,469.76 = 167,995.20 : x
  2. Step 2: Convert to fraction form
    253,025.76/349,469.76 = 167,995.20/x
  3. Step 3: Cross multiply
    253,025.76x = 349,469.76 × 167,995.20
  4. Step 4: Simplify right side
    253,025.76x = 58,709,242,225.15
  5. Step 5: Solve for x
    x = 58,709,242,225.15/253,025.76
  6. Step 6: Final answer
    x = 232,028.72

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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.