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Finding the Fourth Proportional to 134,340.44, 185,389.80 and 73,909.80

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Solution

The fourth proportional to 134,340.44, 185,389.80 and 73,909.80 is: 101,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,340.44 : 185,389.80 = 73,909.80 : x
  2. Step 2: Convert to fraction form
    134,340.44/185,389.80 = 73,909.80/x
  3. Step 3: Cross multiply
    134,340.44x = 185,389.80 × 73,909.80
  4. Step 4: Simplify right side
    134,340.44x = 13,702,123,040.04
  5. Step 5: Solve for x
    x = 13,702,123,040.04/134,340.44
  6. Step 6: Final answer
    x = 101,995.52

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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.