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Finding the Fourth Proportional to 162,710.82, 224,383.17 and 126,887.76

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Solution

The fourth proportional to 162,710.82, 224,383.17 and 126,887.76 is: 174,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,710.82 : 224,383.17 = 126,887.76 : x
  2. Step 2: Convert to fraction form
    162,710.82/224,383.17 = 126,887.76/x
  3. Step 3: Cross multiply
    162,710.82x = 224,383.17 × 126,887.76
  4. Step 4: Simplify right side
    162,710.82x = 28,471,477,823.00
  5. Step 5: Solve for x
    x = 28,471,477,823.00/162,710.82
  6. Step 6: Final answer
    x = 174,982.08

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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.