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Finding the Fourth Proportional to 70,459.18, 105,569.90 and 34,873.04

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Solution

The fourth proportional to 70,459.18, 105,569.90 and 34,873.04 is: 52,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,459.18 : 105,569.90 = 34,873.04 : x
  2. Step 2: Convert to fraction form
    70,459.18/105,569.90 = 34,873.04/x
  3. Step 3: Cross multiply
    70,459.18x = 105,569.90 × 34,873.04
  4. Step 4: Simplify right side
    70,459.18x = 3,681,543,171.13
  5. Step 5: Solve for x
    x = 3,681,543,171.13/70,459.18
  6. Step 6: Final answer
    x = 52,250.73

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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.