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Finding the Fourth Proportional to 67,344.60, 92,994.30 and 42,237.40

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Solution

The fourth proportional to 67,344.60, 92,994.30 and 42,237.40 is: 58,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,344.60 : 92,994.30 = 42,237.40 : x
  2. Step 2: Convert to fraction form
    67,344.60/92,994.30 = 42,237.40/x
  3. Step 3: Cross multiply
    67,344.60x = 92,994.30 × 42,237.40
  4. Step 4: Simplify right side
    67,344.60x = 3,927,837,446.82
  5. Step 5: Solve for x
    x = 3,927,837,446.82/67,344.60
  6. Step 6: Final answer
    x = 58,324.46

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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.