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Finding the Fourth Proportional to 134,673.48, 185,849.34 and 74,245.14

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Solution

The fourth proportional to 134,673.48, 185,849.34 and 74,245.14 is: 102,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,673.48 : 185,849.34 = 74,245.14 : x
  2. Step 2: Convert to fraction form
    134,673.48/185,849.34 = 74,245.14/x
  3. Step 3: Cross multiply
    134,673.48x = 185,849.34 × 74,245.14
  4. Step 4: Simplify right side
    134,673.48x = 13,798,410,267.21
  5. Step 5: Solve for x
    x = 13,798,410,267.21/134,673.48
  6. Step 6: Final answer
    x = 102,458.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.