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Finding the Fourth Proportional to 220,901.60, 304,836.22 and 135,004.27

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Solution

The fourth proportional to 220,901.60, 304,836.22 and 135,004.27 is: 186,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,901.60 : 304,836.22 = 135,004.27 : x
  2. Step 2: Convert to fraction form
    220,901.60/304,836.22 = 135,004.27/x
  3. Step 3: Cross multiply
    220,901.60x = 304,836.22 × 135,004.27
  4. Step 4: Simplify right side
    220,901.60x = 41,154,191,350.66
  5. Step 5: Solve for x
    x = 41,154,191,350.66/220,901.60
  6. Step 6: Final answer
    x = 186,301.01

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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.