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Finding the Fourth Proportional to 218,330.37, 327,495.42 and 98,246.93

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Solution

The fourth proportional to 218,330.37, 327,495.42 and 98,246.93 is: 147,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,330.37 : 327,495.42 = 98,246.93 : x
  2. Step 2: Convert to fraction form
    218,330.37/327,495.42 = 98,246.93/x
  3. Step 3: Cross multiply
    218,330.37x = 327,495.42 × 98,246.93
  4. Step 4: Simplify right side
    218,330.37x = 32,175,417,966.58
  5. Step 5: Solve for x
    x = 32,175,417,966.58/218,330.37
  6. Step 6: Final answer
    x = 147,370.33

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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.