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Finding the Fourth Proportional to 94,193.90, 129,994.82 and 53,920.30

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Solution

The fourth proportional to 94,193.90, 129,994.82 and 53,920.30 is: 74,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,193.90 : 129,994.82 = 53,920.30 : x
  2. Step 2: Convert to fraction form
    94,193.90/129,994.82 = 53,920.30/x
  3. Step 3: Cross multiply
    94,193.90x = 129,994.82 × 53,920.30
  4. Step 4: Simplify right side
    94,193.90x = 7,009,359,692.85
  5. Step 5: Solve for x
    x = 7,009,359,692.85/94,193.90
  6. Step 6: Final answer
    x = 74,414.16

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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.