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Finding the Fourth Proportional to 354,597.75, 531,895.41 and 88,358.45

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Solution

The fourth proportional to 354,597.75, 531,895.41 and 88,358.45 is: 132,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,597.75 : 531,895.41 = 88,358.45 : x
  2. Step 2: Convert to fraction form
    354,597.75/531,895.41 = 88,358.45/x
  3. Step 3: Cross multiply
    354,597.75x = 531,895.41 × 88,358.45
  4. Step 4: Simplify right side
    354,597.75x = 46,997,451,330.24
  5. Step 5: Solve for x
    x = 46,997,451,330.24/354,597.75
  6. Step 6: Final answer
    x = 132,537.36

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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.