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Finding the Fourth Proportional to 189,703.44, 284,555.16 and 65,045.52

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Solution

The fourth proportional to 189,703.44, 284,555.16 and 65,045.52 is: 97,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,703.44 : 284,555.16 = 65,045.52 : x
  2. Step 2: Convert to fraction form
    189,703.44/284,555.16 = 65,045.52/x
  3. Step 3: Cross multiply
    189,703.44x = 284,555.16 × 65,045.52
  4. Step 4: Simplify right side
    189,703.44x = 18,509,038,350.88
  5. Step 5: Solve for x
    x = 18,509,038,350.88/189,703.44
  6. Step 6: Final answer
    x = 97,568.28

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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.