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Finding the Fourth Proportional to 133,347.04, 200,020.56 and 54,443.68

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Solution

The fourth proportional to 133,347.04, 200,020.56 and 54,443.68 is: 81,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,347.04 : 200,020.56 = 54,443.68 : x
  2. Step 2: Convert to fraction form
    133,347.04/200,020.56 = 54,443.68/x
  3. Step 3: Cross multiply
    133,347.04x = 200,020.56 × 54,443.68
  4. Step 4: Simplify right side
    133,347.04x = 10,889,855,362.06
  5. Step 5: Solve for x
    x = 10,889,855,362.06/133,347.04
  6. Step 6: Final answer
    x = 81,665.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.