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Finding the Fourth Proportional to 68,507.60, 102,761.40 and 24,184.40

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Solution

The fourth proportional to 68,507.60, 102,761.40 and 24,184.40 is: 36,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,507.60 : 102,761.40 = 24,184.40 : x
  2. Step 2: Convert to fraction form
    68,507.60/102,761.40 = 24,184.40/x
  3. Step 3: Cross multiply
    68,507.60x = 102,761.40 × 24,184.40
  4. Step 4: Simplify right side
    68,507.60x = 2,485,222,802.16
  5. Step 5: Solve for x
    x = 2,485,222,802.16/68,507.60
  6. Step 6: Final answer
    x = 36,276.60

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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.