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Finding the Fourth Proportional to 186,494.88, 279,410.61 and 107,445.76

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Solution

The fourth proportional to 186,494.88, 279,410.61 and 107,445.76 is: 160,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,494.88 : 279,410.61 = 107,445.76 : x
  2. Step 2: Convert to fraction form
    186,494.88/279,410.61 = 107,445.76/x
  3. Step 3: Cross multiply
    186,494.88x = 279,410.61 × 107,445.76
  4. Step 4: Simplify right side
    186,494.88x = 30,021,485,343.51
  5. Step 5: Solve for x
    x = 30,021,485,343.51/186,494.88
  6. Step 6: Final answer
    x = 160,977.53

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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.