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Finding the Fourth Proportional to 214,368.54, 321,552.81 and 74,050.62

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Solution

The fourth proportional to 214,368.54, 321,552.81 and 74,050.62 is: 111,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,368.54 : 321,552.81 = 74,050.62 : x
  2. Step 2: Convert to fraction form
    214,368.54/321,552.81 = 74,050.62/x
  3. Step 3: Cross multiply
    214,368.54x = 321,552.81 × 74,050.62
  4. Step 4: Simplify right side
    214,368.54x = 23,811,184,943.24
  5. Step 5: Solve for x
    x = 23,811,184,943.24/214,368.54
  6. Step 6: Final answer
    x = 111,075.93

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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.