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Finding the Fourth Proportional to 355,232.70, 532,670.49 and 118,493.82

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Solution

The fourth proportional to 355,232.70, 532,670.49 and 118,493.82 is: 177,681.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,232.70 : 532,670.49 = 118,493.82 : x
  2. Step 2: Convert to fraction form
    355,232.70/532,670.49 = 118,493.82/x
  3. Step 3: Cross multiply
    355,232.70x = 532,670.49 × 118,493.82
  4. Step 4: Simplify right side
    355,232.70x = 63,118,161,161.37
  5. Step 5: Solve for x
    x = 63,118,161,161.37/355,232.70
  6. Step 6: Final answer
    x = 177,681.17

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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.