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Finding the Fourth Proportional to 109,775.19, 151,489.73 and 59,474.19

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Solution

The fourth proportional to 109,775.19, 151,489.73 and 59,474.19 is: 82,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,775.19 : 151,489.73 = 59,474.19 : x
  2. Step 2: Convert to fraction form
    109,775.19/151,489.73 = 59,474.19/x
  3. Step 3: Cross multiply
    109,775.19x = 151,489.73 × 59,474.19
  4. Step 4: Simplify right side
    109,775.19x = 9,009,728,985.07
  5. Step 5: Solve for x
    x = 9,009,728,985.07/109,775.19
  6. Step 6: Final answer
    x = 82,074.36

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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.