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Finding the Fourth Proportional to 102,952.60, 154,428.90 and 36,394.90

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Solution

The fourth proportional to 102,952.60, 154,428.90 and 36,394.90 is: 54,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,952.60 : 154,428.90 = 36,394.90 : x
  2. Step 2: Convert to fraction form
    102,952.60/154,428.90 = 36,394.90/x
  3. Step 3: Cross multiply
    102,952.60x = 154,428.90 × 36,394.90
  4. Step 4: Simplify right side
    102,952.60x = 5,620,424,372.61
  5. Step 5: Solve for x
    x = 5,620,424,372.61/102,952.60
  6. Step 6: Final answer
    x = 54,592.35

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1.5x scale

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.