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Finding the Fourth Proportional to 73,073.40, 109,610.10 and 55,577.40

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Solution

The fourth proportional to 73,073.40, 109,610.10 and 55,577.40 is: 83,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,073.40 : 109,610.10 = 55,577.40 : x
  2. Step 2: Convert to fraction form
    73,073.40/109,610.10 = 55,577.40/x
  3. Step 3: Cross multiply
    73,073.40x = 109,610.10 × 55,577.40
  4. Step 4: Simplify right side
    73,073.40x = 6,091,844,371.74
  5. Step 5: Solve for x
    x = 6,091,844,371.74/73,073.40
  6. Step 6: Final answer
    x = 83,366.10

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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.