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Finding the Fourth Proportional to 92,372.04, 127,412.64 and 63,692.88

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Solution

The fourth proportional to 92,372.04, 127,412.64 and 63,692.88 is: 87,854.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,372.04 : 127,412.64 = 63,692.88 : x
  2. Step 2: Convert to fraction form
    92,372.04/127,412.64 = 63,692.88/x
  3. Step 3: Cross multiply
    92,372.04x = 127,412.64 × 63,692.88
  4. Step 4: Simplify right side
    92,372.04x = 8,115,277,990.00
  5. Step 5: Solve for x
    x = 8,115,277,990.00/92,372.04
  6. Step 6: Final answer
    x = 87,854.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.