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Finding the Fourth Proportional to 193,115.00, 289,752.51 and 104,264.07

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Solution

The fourth proportional to 193,115.00, 289,752.51 and 104,264.07 is: 156,439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,115.00 : 289,752.51 = 104,264.07 : x
  2. Step 2: Convert to fraction form
    193,115.00/289,752.51 = 104,264.07/x
  3. Step 3: Cross multiply
    193,115.00x = 289,752.51 × 104,264.07
  4. Step 4: Simplify right side
    193,115.00x = 30,210,775,985.32
  5. Step 5: Solve for x
    x = 30,210,775,985.32/193,115.00
  6. Step 6: Final answer
    x = 156,439.31

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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.