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Finding the Fourth Proportional to 251,870.06, 377,716.16 and 74,329.58

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Solution

The fourth proportional to 251,870.06, 377,716.16 and 74,329.58 is: 111,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,870.06 : 377,716.16 = 74,329.58 : x
  2. Step 2: Convert to fraction form
    251,870.06/377,716.16 = 74,329.58/x
  3. Step 3: Cross multiply
    251,870.06x = 377,716.16 × 74,329.58
  4. Step 4: Simplify right side
    251,870.06x = 28,075,483,532.01
  5. Step 5: Solve for x
    x = 28,075,483,532.01/251,870.06
  6. Step 6: Final answer
    x = 111,468.13

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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.