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Finding the Fourth Proportional to 253,625.04, 349,989.90 and 146,188.56

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Solution

The fourth proportional to 253,625.04, 349,989.90 and 146,188.56 is: 201,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,625.04 : 349,989.90 = 146,188.56 : x
  2. Step 2: Convert to fraction form
    253,625.04/349,989.90 = 146,188.56/x
  3. Step 3: Cross multiply
    253,625.04x = 349,989.90 × 146,188.56
  4. Step 4: Simplify right side
    253,625.04x = 51,164,519,495.54
  5. Step 5: Solve for x
    x = 51,164,519,495.54/253,625.04
  6. Step 6: Final answer
    x = 201,732.92

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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.