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Finding the Fourth Proportional to 134,177.63, 185,165.48 and 74,561.63

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Solution

The fourth proportional to 134,177.63, 185,165.48 and 74,561.63 is: 102,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,177.63 : 185,165.48 = 74,561.63 : x
  2. Step 2: Convert to fraction form
    134,177.63/185,165.48 = 74,561.63/x
  3. Step 3: Cross multiply
    134,177.63x = 185,165.48 × 74,561.63
  4. Step 4: Simplify right side
    134,177.63x = 13,806,239,269.11
  5. Step 5: Solve for x
    x = 13,806,239,269.11/134,177.63
  6. Step 6: Final answer
    x = 102,895.24

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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.