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Finding the Fourth Proportional to 100,594.58, 138,832.61 and 60,330.51

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Solution

The fourth proportional to 100,594.58, 138,832.61 and 60,330.51 is: 83,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,594.58 : 138,832.61 = 60,330.51 : x
  2. Step 2: Convert to fraction form
    100,594.58/138,832.61 = 60,330.51/x
  3. Step 3: Cross multiply
    100,594.58x = 138,832.61 × 60,330.51
  4. Step 4: Simplify right side
    100,594.58x = 8,375,841,864.28
  5. Step 5: Solve for x
    x = 8,375,841,864.28/100,594.58
  6. Step 6: Final answer
    x = 83,263.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.