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Finding the Fourth Proportional to 355,233.70, 532,671.99 and 118,494.82

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Solution

The fourth proportional to 355,233.70, 532,671.99 and 118,494.82 is: 177,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,233.70 : 532,671.99 = 118,494.82 : x
  2. Step 2: Convert to fraction form
    355,233.70/532,671.99 = 118,494.82/x
  3. Step 3: Cross multiply
    355,233.70x = 532,671.99 × 118,494.82
  4. Step 4: Simplify right side
    355,233.70x = 63,118,871,574.09
  5. Step 5: Solve for x
    x = 63,118,871,574.09/355,233.70
  6. Step 6: Final answer
    x = 177,682.67

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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.