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Finding the Fourth Proportional to 186,066.40, 279,099.60 and 169,736.80

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Solution

The fourth proportional to 186,066.40, 279,099.60 and 169,736.80 is: 254,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,066.40 : 279,099.60 = 169,736.80 : x
  2. Step 2: Convert to fraction form
    186,066.40/279,099.60 = 169,736.80/x
  3. Step 3: Cross multiply
    186,066.40x = 279,099.60 × 169,736.80
  4. Step 4: Simplify right side
    186,066.40x = 47,373,472,985.28
  5. Step 5: Solve for x
    x = 47,373,472,985.28/186,066.40
  6. Step 6: Final answer
    x = 254,605.20

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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.