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Finding the Fourth Proportional to 251,598.81, 377,123.73 and 123,603.20

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Solution

The fourth proportional to 251,598.81, 377,123.73 and 123,603.20 is: 185,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,598.81 : 377,123.73 = 123,603.20 : x
  2. Step 2: Convert to fraction form
    251,598.81/377,123.73 = 123,603.20/x
  3. Step 3: Cross multiply
    251,598.81x = 377,123.73 × 123,603.20
  4. Step 4: Simplify right side
    251,598.81x = 46,613,699,823.94
  5. Step 5: Solve for x
    x = 46,613,699,823.94/251,598.81
  6. Step 6: Final answer
    x = 185,269.95

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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.