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Finding the Fourth Proportional to 236,306.68, 354,356.34 and 88,459

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Solution

The fourth proportional to 236,306.68, 354,356.34 and 88,459 is: 132,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,306.68 : 354,356.34 = 88,459 : x
  2. Step 2: Convert to fraction form
    236,306.68/354,356.34 = 88,459/x
  3. Step 3: Cross multiply
    236,306.68x = 354,356.34 × 88,459
  4. Step 4: Simplify right side
    236,306.68x = 31,346,007,480.06
  5. Step 5: Solve for x
    x = 31,346,007,480.06/236,306.68
  6. Step 6: Final answer
    x = 132,649.69

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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.