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Finding the Fourth Proportional to 161,904.58, 223,602.58 and 123,251.78

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Solution

The fourth proportional to 161,904.58, 223,602.58 and 123,251.78 is: 170,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,904.58 : 223,602.58 = 123,251.78 : x
  2. Step 2: Convert to fraction form
    161,904.58/223,602.58 = 123,251.78/x
  3. Step 3: Cross multiply
    161,904.58x = 223,602.58 × 123,251.78
  4. Step 4: Simplify right side
    161,904.58x = 27,559,415,997.59
  5. Step 5: Solve for x
    x = 27,559,415,997.59/161,904.58
  6. Step 6: Final answer
    x = 170,220.11

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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.