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Finding the Fourth Proportional to 109,881.56, 151,636.62 and 59,580.56

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Solution

The fourth proportional to 109,881.56, 151,636.62 and 59,580.56 is: 82,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,881.56 : 151,636.62 = 59,580.56 : x
  2. Step 2: Convert to fraction form
    109,881.56/151,636.62 = 59,580.56/x
  3. Step 3: Cross multiply
    109,881.56x = 151,636.62 × 59,580.56
  4. Step 4: Simplify right side
    109,881.56x = 9,034,595,338.63
  5. Step 5: Solve for x
    x = 9,034,595,338.63/109,881.56
  6. Step 6: Final answer
    x = 82,221.21

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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.