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Finding the Fourth Proportional to 219,797.79, 329,693.07 and 70,036.04

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Solution

The fourth proportional to 219,797.79, 329,693.07 and 70,036.04 is: 105,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,797.79 : 329,693.07 = 70,036.04 : x
  2. Step 2: Convert to fraction form
    219,797.79/329,693.07 = 70,036.04/x
  3. Step 3: Cross multiply
    219,797.79x = 329,693.07 × 70,036.04
  4. Step 4: Simplify right side
    219,797.79x = 23,090,398,125.11
  5. Step 5: Solve for x
    x = 23,090,398,125.11/219,797.79
  6. Step 6: Final answer
    x = 105,052.91

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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.