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Finding the Fourth Proportional to 94,692.72, 130,676.70 and 52,254.12

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Solution

The fourth proportional to 94,692.72, 130,676.70 and 52,254.12 is: 72,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,692.72 : 130,676.70 = 52,254.12 : x
  2. Step 2: Convert to fraction form
    94,692.72/130,676.70 = 52,254.12/x
  3. Step 3: Cross multiply
    94,692.72x = 130,676.70 × 52,254.12
  4. Step 4: Simplify right side
    94,692.72x = 6,828,395,963.00
  5. Step 5: Solve for x
    x = 6,828,395,963.00/94,692.72
  6. Step 6: Final answer
    x = 72,111.10

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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.