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Finding the Fourth Proportional to 192,886.72, 289,224.37 and 59,730.01

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Solution

The fourth proportional to 192,886.72, 289,224.37 and 59,730.01 is: 89,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,886.72 : 289,224.37 = 59,730.01 : x
  2. Step 2: Convert to fraction form
    192,886.72/289,224.37 = 59,730.01/x
  3. Step 3: Cross multiply
    192,886.72x = 289,224.37 × 59,730.01
  4. Step 4: Simplify right side
    192,886.72x = 17,275,374,518.23
  5. Step 5: Solve for x
    x = 17,275,374,518.23/192,886.72
  6. Step 6: Final answer
    x = 89,562.28

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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.