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Finding the Fourth Proportional to 357,338.36, 536,014.41 and 87,468.81

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Solution

The fourth proportional to 357,338.36, 536,014.41 and 87,468.81 is: 131,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,338.36 : 536,014.41 = 87,468.81 : x
  2. Step 2: Convert to fraction form
    357,338.36/536,014.41 = 87,468.81/x
  3. Step 3: Cross multiply
    357,338.36x = 536,014.41 × 87,468.81
  4. Step 4: Simplify right side
    357,338.36x = 46,884,543,754.58
  5. Step 5: Solve for x
    x = 46,884,543,754.58/357,338.36
  6. Step 6: Final answer
    x = 131,204.90

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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.