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Finding the Fourth Proportional to 374,485.88, 561,732.93 and 108,248.71

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Solution

The fourth proportional to 374,485.88, 561,732.93 and 108,248.71 is: 162,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,485.88 : 561,732.93 = 108,248.71 : x
  2. Step 2: Convert to fraction form
    374,485.88/561,732.93 = 108,248.71/x
  3. Step 3: Cross multiply
    374,485.88x = 561,732.93 × 108,248.71
  4. Step 4: Simplify right side
    374,485.88x = 60,806,863,632.69
  5. Step 5: Solve for x
    x = 60,806,863,632.69/374,485.88
  6. Step 6: Final answer
    x = 162,374.25

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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.