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Finding the Fourth Proportional to 203,476.60, 305,210.10 and 55,732.60

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Solution

The fourth proportional to 203,476.60, 305,210.10 and 55,732.60 is: 83,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,476.60 : 305,210.10 = 55,732.60 : x
  2. Step 2: Convert to fraction form
    203,476.60/305,210.10 = 55,732.60/x
  3. Step 3: Cross multiply
    203,476.60x = 305,210.10 × 55,732.60
  4. Step 4: Simplify right side
    203,476.60x = 17,010,152,419.26
  5. Step 5: Solve for x
    x = 17,010,152,419.26/203,476.60
  6. Step 6: Final answer
    x = 83,597.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.