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Finding the Fourth Proportional to 189,017.56, 283,552.26 and 55,908.28

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Solution

The fourth proportional to 189,017.56, 283,552.26 and 55,908.28 is: 83,870.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,017.56 : 283,552.26 = 55,908.28 : x
  2. Step 2: Convert to fraction form
    189,017.56/283,552.26 = 55,908.28/x
  3. Step 3: Cross multiply
    189,017.56x = 283,552.26 × 55,908.28
  4. Step 4: Simplify right side
    189,017.56x = 15,852,919,146.71
  5. Step 5: Solve for x
    x = 15,852,919,146.71/189,017.56
  6. Step 6: Final answer
    x = 83,870.09

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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.