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Finding the Fourth Proportional to 236,332, 354,498 and 70,120

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Solution

The fourth proportional to 236,332, 354,498 and 70,120 is: 105,180

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,332 : 354,498 = 70,120 : x
  2. Step 2: Convert to fraction form
    236,332/354,498 = 70,120/x
  3. Step 3: Cross multiply
    236,332x = 354,498 × 70,120
  4. Step 4: Simplify right side
    236,332x = 24,857,399,760
  5. Step 5: Solve for x
    x = 24,857,399,760/236,332
  6. Step 6: Final answer
    x = 105,180

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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.