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Finding the Fourth Proportional to 172,649.58, 259,036.56 and 60,346.32

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Solution

The fourth proportional to 172,649.58, 259,036.56 and 60,346.32 is: 90,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,649.58 : 259,036.56 = 60,346.32 : x
  2. Step 2: Convert to fraction form
    172,649.58/259,036.56 = 60,346.32/x
  3. Step 3: Cross multiply
    172,649.58x = 259,036.56 × 60,346.32
  4. Step 4: Simplify right side
    172,649.58x = 15,631,903,141.46
  5. Step 5: Solve for x
    x = 15,631,903,141.46/172,649.58
  6. Step 6: Final answer
    x = 90,541.22

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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.