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Finding the Fourth Proportional to 220,038.89, 303,654.68 and 124,564.05

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Solution

The fourth proportional to 220,038.89, 303,654.68 and 124,564.05 is: 171,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,038.89 : 303,654.68 = 124,564.05 : x
  2. Step 2: Convert to fraction form
    220,038.89/303,654.68 = 124,564.05/x
  3. Step 3: Cross multiply
    220,038.89x = 303,654.68 × 124,564.05
  4. Step 4: Simplify right side
    220,038.89x = 37,824,456,119.43
  5. Step 5: Solve for x
    x = 37,824,456,119.43/220,038.89
  6. Step 6: Final answer
    x = 171,898.96

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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.