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Finding the Fourth Proportional to 176,543.40, 264,584.70 and 127,237.80

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Solution

The fourth proportional to 176,543.40, 264,584.70 and 127,237.80 is: 190,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,543.40 : 264,584.70 = 127,237.80 : x
  2. Step 2: Convert to fraction form
    176,543.40/264,584.70 = 127,237.80/x
  3. Step 3: Cross multiply
    176,543.40x = 264,584.70 × 127,237.80
  4. Step 4: Simplify right side
    176,543.40x = 33,665,175,141.66
  5. Step 5: Solve for x
    x = 33,665,175,141.66/176,543.40
  6. Step 6: Final answer
    x = 190,690.65

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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.