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Finding the Fourth Proportional to 355,749.42, 533,584.64 and 89,509.98

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Solution

The fourth proportional to 355,749.42, 533,584.64 and 89,509.98 is: 134,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,749.42 : 533,584.64 = 89,509.98 : x
  2. Step 2: Convert to fraction form
    355,749.42/533,584.64 = 89,509.98/x
  3. Step 3: Cross multiply
    355,749.42x = 533,584.64 × 89,509.98
  4. Step 4: Simplify right side
    355,749.42x = 47,761,150,454.71
  5. Step 5: Solve for x
    x = 47,761,150,454.71/355,749.42
  6. Step 6: Final answer
    x = 134,255.03

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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.