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Finding the Fourth Proportional to 189,066.62, 283,501.52 and 55,928.90

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Solution

The fourth proportional to 189,066.62, 283,501.52 and 55,928.90 is: 83,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,066.62 : 283,501.52 = 55,928.90 : x
  2. Step 2: Convert to fraction form
    189,066.62/283,501.52 = 55,928.90/x
  3. Step 3: Cross multiply
    189,066.62x = 283,501.52 × 55,928.90
  4. Step 4: Simplify right side
    189,066.62x = 15,855,927,206.07
  5. Step 5: Solve for x
    x = 15,855,927,206.07/189,066.62
  6. Step 6: Final answer
    x = 83,864.23

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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.