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Finding the Fourth Proportional to 103,692.48, 154,729.60 and 92,522.24

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Solution

The fourth proportional to 103,692.48, 154,729.60 and 92,522.24 is: 138,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,692.48 : 154,729.60 = 92,522.24 : x
  2. Step 2: Convert to fraction form
    103,692.48/154,729.60 = 92,522.24/x
  3. Step 3: Cross multiply
    103,692.48x = 154,729.60 × 92,522.24
  4. Step 4: Simplify right side
    103,692.48x = 14,315,929,186.30
  5. Step 5: Solve for x
    x = 14,315,929,186.30/103,692.48
  6. Step 6: Final answer
    x = 138,061.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.