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Finding the Fourth Proportional to 173,489.58, 239,412.51 and 98,036.46

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Solution

The fourth proportional to 173,489.58, 239,412.51 and 98,036.46 is: 135,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,489.58 : 239,412.51 = 98,036.46 : x
  2. Step 2: Convert to fraction form
    173,489.58/239,412.51 = 98,036.46/x
  3. Step 3: Cross multiply
    173,489.58x = 239,412.51 × 98,036.46
  4. Step 4: Simplify right side
    173,489.58x = 23,471,154,960.11
  5. Step 5: Solve for x
    x = 23,471,154,960.11/173,489.58
  6. Step 6: Final answer
    x = 135,288.56

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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.