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Finding the Fourth Proportional to 374,166.81, 561,255.08 and 124,848.81

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Solution

The fourth proportional to 374,166.81, 561,255.08 and 124,848.81 is: 187,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,166.81 : 561,255.08 = 124,848.81 : x
  2. Step 2: Convert to fraction form
    374,166.81/561,255.08 = 124,848.81/x
  3. Step 3: Cross multiply
    374,166.81x = 561,255.08 × 124,848.81
  4. Step 4: Simplify right side
    374,166.81x = 70,072,028,844.45
  5. Step 5: Solve for x
    x = 70,072,028,844.45/374,166.81
  6. Step 6: Final answer
    x = 187,274.84

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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.