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Finding the Fourth Proportional to 252,875.49, 348,954.17 and 145,447.33

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Solution

The fourth proportional to 252,875.49, 348,954.17 and 145,447.33 is: 200,709.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,875.49 : 348,954.17 = 145,447.33 : x
  2. Step 2: Convert to fraction form
    252,875.49/348,954.17 = 145,447.33/x
  3. Step 3: Cross multiply
    252,875.49x = 348,954.17 × 145,447.33
  4. Step 4: Simplify right side
    252,875.49x = 50,754,450,574.10
  5. Step 5: Solve for x
    x = 50,754,450,574.10/252,875.49
  6. Step 6: Final answer
    x = 200,709.26

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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.