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Finding the Fourth Proportional to 252,960.77, 349,085.99 and 139,783.52

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Solution

The fourth proportional to 252,960.77, 349,085.99 and 139,783.52 is: 192,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,960.77 : 349,085.99 = 139,783.52 : x
  2. Step 2: Convert to fraction form
    252,960.77/349,085.99 = 139,783.52/x
  3. Step 3: Cross multiply
    252,960.77x = 349,085.99 × 139,783.52
  4. Step 4: Simplify right side
    252,960.77x = 48,796,466,893.25
  5. Step 5: Solve for x
    x = 48,796,466,893.25/252,960.77
  6. Step 6: Final answer
    x = 192,901.32

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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.