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Finding the Fourth Proportional to 185,128, 277,692.80 and 44,886.88

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Solution

The fourth proportional to 185,128, 277,692.80 and 44,886.88 is: 67,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,128 : 277,692.80 = 44,886.88 : x
  2. Step 2: Convert to fraction form
    185,128/277,692.80 = 44,886.88/x
  3. Step 3: Cross multiply
    185,128x = 277,692.80 × 44,886.88
  4. Step 4: Simplify right side
    185,128x = 12,464,763,390.46
  5. Step 5: Solve for x
    x = 12,464,763,390.46/185,128
  6. Step 6: Final answer
    x = 67,330.51

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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.