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Finding the Fourth Proportional to 194,221.60, 272,463.20 and 194,221.60

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Solution

The fourth proportional to 194,221.60, 272,463.20 and 194,221.60 is: 272,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,221.60 : 272,463.20 = 194,221.60 : x
  2. Step 2: Convert to fraction form
    194,221.60/272,463.20 = 194,221.60/x
  3. Step 3: Cross multiply
    194,221.60x = 272,463.20 × 194,221.60
  4. Step 4: Simplify right side
    194,221.60x = 52,918,238,645.12
  5. Step 5: Solve for x
    x = 52,918,238,645.12/194,221.60
  6. Step 6: Final answer
    x = 272,463.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.