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Finding the Fourth Proportional to 186,094.80, 279,142.20 and 163,933.20

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Solution

The fourth proportional to 186,094.80, 279,142.20 and 163,933.20 is: 245,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,094.80 : 279,142.20 = 163,933.20 : x
  2. Step 2: Convert to fraction form
    186,094.80/279,142.20 = 163,933.20/x
  3. Step 3: Cross multiply
    186,094.80x = 279,142.20 × 163,933.20
  4. Step 4: Simplify right side
    186,094.80x = 45,760,674,101.04
  5. Step 5: Solve for x
    x = 45,760,674,101.04/186,094.80
  6. Step 6: Final answer
    x = 245,899.80

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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.