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Finding the Fourth Proportional to 252,593.94, 348,554.82 and 139,409.40

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Solution

The fourth proportional to 252,593.94, 348,554.82 and 139,409.40 is: 192,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,593.94 : 348,554.82 = 139,409.40 : x
  2. Step 2: Convert to fraction form
    252,593.94/348,554.82 = 139,409.40/x
  3. Step 3: Cross multiply
    252,593.94x = 348,554.82 × 139,409.40
  4. Step 4: Simplify right side
    252,593.94x = 48,591,818,323.31
  5. Step 5: Solve for x
    x = 48,591,818,323.31/252,593.94
  6. Step 6: Final answer
    x = 192,371.28

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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.