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Finding the Fourth Proportional to 176,287.70, 242,939.98 and 173,048.52

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Solution

The fourth proportional to 176,287.70, 242,939.98 and 173,048.52 is: 238,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,287.70 : 242,939.98 = 173,048.52 : x
  2. Step 2: Convert to fraction form
    176,287.70/242,939.98 = 173,048.52/x
  3. Step 3: Cross multiply
    176,287.70x = 242,939.98 × 173,048.52
  4. Step 4: Simplify right side
    176,287.70x = 42,040,403,987.83
  5. Step 5: Solve for x
    x = 42,040,403,987.83/176,287.70
  6. Step 6: Final answer
    x = 238,476.10

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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.