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Finding the Fourth Proportional to 186,180.52, 279,018.96 and 133,473.64

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Solution

The fourth proportional to 186,180.52, 279,018.96 and 133,473.64 is: 200,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,180.52 : 279,018.96 = 133,473.64 : x
  2. Step 2: Convert to fraction form
    186,180.52/279,018.96 = 133,473.64/x
  3. Step 3: Cross multiply
    186,180.52x = 279,018.96 × 133,473.64
  4. Step 4: Simplify right side
    186,180.52x = 37,241,676,220.21
  5. Step 5: Solve for x
    x = 37,241,676,220.21/186,180.52
  6. Step 6: Final answer
    x = 200,029.93

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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.