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Finding the Fourth Proportional to 252,960.52, 349,085.64 and 139,783.27

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Solution

The fourth proportional to 252,960.52, 349,085.64 and 139,783.27 is: 192,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,960.52 : 349,085.64 = 139,783.27 : x
  2. Step 2: Convert to fraction form
    252,960.52/349,085.64 = 139,783.27/x
  3. Step 3: Cross multiply
    252,960.52x = 349,085.64 × 139,783.27
  4. Step 4: Simplify right side
    252,960.52x = 48,796,331,396.53
  5. Step 5: Solve for x
    x = 48,796,331,396.53/252,960.52
  6. Step 6: Final answer
    x = 192,900.98

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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.