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Finding the Fourth Proportional to 113,642.63, 170,464.79 and 50,445.76

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Solution

The fourth proportional to 113,642.63, 170,464.79 and 50,445.76 is: 75,669.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,642.63 : 170,464.79 = 50,445.76 : x
  2. Step 2: Convert to fraction form
    113,642.63/170,464.79 = 50,445.76/x
  3. Step 3: Cross multiply
    113,642.63x = 170,464.79 × 50,445.76
  4. Step 4: Simplify right side
    113,642.63x = 8,599,225,884.79
  5. Step 5: Solve for x
    x = 8,599,225,884.79/113,642.63
  6. Step 6: Final answer
    x = 75,669.02

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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.