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Finding the Fourth Proportional to 236,601, 354,903.93 and 70,389

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Solution

The fourth proportional to 236,601, 354,903.93 and 70,389 is: 105,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,601 : 354,903.93 = 70,389 : x
  2. Step 2: Convert to fraction form
    236,601/354,903.93 = 70,389/x
  3. Step 3: Cross multiply
    236,601x = 354,903.93 × 70,389
  4. Step 4: Simplify right side
    236,601x = 24,981,332,728.77
  5. Step 5: Solve for x
    x = 24,981,332,728.77/236,601
  6. Step 6: Final answer
    x = 105,584.22

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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.