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Finding the Fourth Proportional to 151,693.40, 209,246.69 and 98,010.06

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Solution

The fourth proportional to 151,693.40, 209,246.69 and 98,010.06 is: 135,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,693.40 : 209,246.69 = 98,010.06 : x
  2. Step 2: Convert to fraction form
    151,693.40/209,246.69 = 98,010.06/x
  3. Step 3: Cross multiply
    151,693.40x = 209,246.69 × 98,010.06
  4. Step 4: Simplify right side
    151,693.40x = 20,508,281,573.32
  5. Step 5: Solve for x
    x = 20,508,281,573.32/151,693.40
  6. Step 6: Final answer
    x = 135,195.61

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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.