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Finding the Fourth Proportional to 181,966.80, 272,901.60 and 55,606.80

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Solution

The fourth proportional to 181,966.80, 272,901.60 and 55,606.80 is: 83,395.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,966.80 : 272,901.60 = 55,606.80 : x
  2. Step 2: Convert to fraction form
    181,966.80/272,901.60 = 55,606.80/x
  3. Step 3: Cross multiply
    181,966.80x = 272,901.60 × 55,606.80
  4. Step 4: Simplify right side
    181,966.80x = 15,175,184,690.88
  5. Step 5: Solve for x
    x = 15,175,184,690.88/181,966.80
  6. Step 6: Final answer
    x = 83,395.35

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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.