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Finding the Fourth Proportional to 189,498.79, 284,153.09 and 63,094.51

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Solution

The fourth proportional to 189,498.79, 284,153.09 and 63,094.51 is: 94,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,498.79 : 284,153.09 = 63,094.51 : x
  2. Step 2: Convert to fraction form
    189,498.79/284,153.09 = 63,094.51/x
  3. Step 3: Cross multiply
    189,498.79x = 284,153.09 × 63,094.51
  4. Step 4: Simplify right side
    189,498.79x = 17,928,498,557.77
  5. Step 5: Solve for x
    x = 17,928,498,557.77/189,498.79
  6. Step 6: Final answer
    x = 94,610.10

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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.