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Finding the Fourth Proportional to 251,597.81, 377,122.23 and 123,602.20

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Solution

The fourth proportional to 251,597.81, 377,122.23 and 123,602.20 is: 185,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,597.81 : 377,122.23 = 123,602.20 : x
  2. Step 2: Convert to fraction form
    251,597.81/377,122.23 = 123,602.20/x
  3. Step 3: Cross multiply
    251,597.81x = 377,122.23 × 123,602.20
  4. Step 4: Simplify right side
    251,597.81x = 46,613,136,354.10
  5. Step 5: Solve for x
    x = 46,613,136,354.10/251,597.81
  6. Step 6: Final answer
    x = 185,268.45

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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.