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Finding the Fourth Proportional to 252,391.48, 348,300.49 and 144,982.30

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Solution

The fourth proportional to 252,391.48, 348,300.49 and 144,982.30 is: 200,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,391.48 : 348,300.49 = 144,982.30 : x
  2. Step 2: Convert to fraction form
    252,391.48/348,300.49 = 144,982.30/x
  3. Step 3: Cross multiply
    252,391.48x = 348,300.49 × 144,982.30
  4. Step 4: Simplify right side
    252,391.48x = 50,497,406,131.33
  5. Step 5: Solve for x
    x = 50,497,406,131.33/252,391.48
  6. Step 6: Final answer
    x = 200,075.72

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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.