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Finding the Fourth Proportional to 70,652.49, 106,068.66 and 45,796.55

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Solution

The fourth proportional to 70,652.49, 106,068.66 and 45,796.55 is: 68,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,652.49 : 106,068.66 = 45,796.55 : x
  2. Step 2: Convert to fraction form
    70,652.49/106,068.66 = 45,796.55/x
  3. Step 3: Cross multiply
    70,652.49x = 106,068.66 × 45,796.55
  4. Step 4: Simplify right side
    70,652.49x = 4,857,577,931.80
  5. Step 5: Solve for x
    x = 4,857,577,931.80/70,652.49
  6. Step 6: Final answer
    x = 68,753.11

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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.