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Finding the Fourth Proportional to 176,221.64, 242,850.66 and 172,983.08

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Solution

The fourth proportional to 176,221.64, 242,850.66 and 172,983.08 is: 238,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,221.64 : 242,850.66 = 172,983.08 : x
  2. Step 2: Convert to fraction form
    176,221.64/242,850.66 = 172,983.08/x
  3. Step 3: Cross multiply
    176,221.64x = 242,850.66 × 172,983.08
  4. Step 4: Simplify right side
    176,221.64x = 42,009,055,146.83
  5. Step 5: Solve for x
    x = 42,009,055,146.83/176,221.64
  6. Step 6: Final answer
    x = 238,387.61

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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.