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Finding the Fourth Proportional to 181,925.60, 272,888.40 and 57,266.60

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Solution

The fourth proportional to 181,925.60, 272,888.40 and 57,266.60 is: 85,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,925.60 : 272,888.40 = 57,266.60 : x
  2. Step 2: Convert to fraction form
    181,925.60/272,888.40 = 57,266.60/x
  3. Step 3: Cross multiply
    181,925.60x = 272,888.40 × 57,266.60
  4. Step 4: Simplify right side
    181,925.60x = 15,627,390,847.44
  5. Step 5: Solve for x
    x = 15,627,390,847.44/181,925.60
  6. Step 6: Final answer
    x = 85,899.90

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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.