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Finding the Fourth Proportional to 109,765.56, 151,477.20 and 59,464.56

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Solution

The fourth proportional to 109,765.56, 151,477.20 and 59,464.56 is: 82,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,765.56 : 151,477.20 = 59,464.56 : x
  2. Step 2: Convert to fraction form
    109,765.56/151,477.20 = 59,464.56/x
  3. Step 3: Cross multiply
    109,765.56x = 151,477.20 × 59,464.56
  4. Step 4: Simplify right side
    109,765.56x = 9,007,525,048.03
  5. Step 5: Solve for x
    x = 9,007,525,048.03/109,765.56
  6. Step 6: Final answer
    x = 82,061.49

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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.