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Finding the Fourth Proportional to 354,575.89, 531,859.76 and 101,862.61

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Solution

The fourth proportional to 354,575.89, 531,859.76 and 101,862.61 is: 152,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,575.89 : 531,859.76 = 101,862.61 : x
  2. Step 2: Convert to fraction form
    354,575.89/531,859.76 = 101,862.61/x
  3. Step 3: Cross multiply
    354,575.89x = 531,859.76 × 101,862.61
  4. Step 4: Simplify right side
    354,575.89x = 54,176,622,798.26
  5. Step 5: Solve for x
    x = 54,176,622,798.26/354,575.89
  6. Step 6: Final answer
    x = 152,792.74

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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.