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Finding the Fourth Proportional to 234,661.05, 323,830.29 and 132,706.53

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Solution

The fourth proportional to 234,661.05, 323,830.29 and 132,706.53 is: 183,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,661.05 : 323,830.29 = 132,706.53 : x
  2. Step 2: Convert to fraction form
    234,661.05/323,830.29 = 132,706.53/x
  3. Step 3: Cross multiply
    234,661.05x = 323,830.29 × 132,706.53
  4. Step 4: Simplify right side
    234,661.05x = 42,974,393,681.67
  5. Step 5: Solve for x
    x = 42,974,393,681.67/234,661.05
  6. Step 6: Final answer
    x = 183,133.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.