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Finding the Fourth Proportional to 181,901.60, 272,852.40 and 57,242.60

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Solution

The fourth proportional to 181,901.60, 272,852.40 and 57,242.60 is: 85,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,901.60 : 272,852.40 = 57,242.60 : x
  2. Step 2: Convert to fraction form
    181,901.60/272,852.40 = 57,242.60/x
  3. Step 3: Cross multiply
    181,901.60x = 272,852.40 × 57,242.60
  4. Step 4: Simplify right side
    181,901.60x = 15,618,780,792.24
  5. Step 5: Solve for x
    x = 15,618,780,792.24/181,901.60
  6. Step 6: Final answer
    x = 85,863.90

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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.