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Finding the Fourth Proportional to 374,548.94, 561,876.72 and 121,748.16

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Solution

The fourth proportional to 374,548.94, 561,876.72 and 121,748.16 is: 182,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,548.94 : 561,876.72 = 121,748.16 : x
  2. Step 2: Convert to fraction form
    374,548.94/561,876.72 = 121,748.16/x
  3. Step 3: Cross multiply
    374,548.94x = 561,876.72 × 121,748.16
  4. Step 4: Simplify right side
    374,548.94x = 68,407,456,806.84
  5. Step 5: Solve for x
    x = 68,407,456,806.84/374,548.94
  6. Step 6: Final answer
    x = 182,639.57

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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.