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Finding the Fourth Proportional to 176,105.88, 242,690.51 and 172,866.84

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Solution

The fourth proportional to 176,105.88, 242,690.51 and 172,866.84 is: 238,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,105.88 : 242,690.51 = 172,866.84 : x
  2. Step 2: Convert to fraction form
    176,105.88/242,690.51 = 172,866.84/x
  3. Step 3: Cross multiply
    176,105.88x = 242,690.51 × 172,866.84
  4. Step 4: Simplify right side
    176,105.88x = 41,953,140,348.24
  5. Step 5: Solve for x
    x = 41,953,140,348.24/176,105.88
  6. Step 6: Final answer
    x = 238,226.81

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1.5x scale

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.