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Finding the Fourth Proportional to 70,350.65, 105,487.69 and 25,365.88

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Solution

The fourth proportional to 70,350.65, 105,487.69 and 25,365.88 is: 38,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,350.65 : 105,487.69 = 25,365.88 : x
  2. Step 2: Convert to fraction form
    70,350.65/105,487.69 = 25,365.88/x
  3. Step 3: Cross multiply
    70,350.65x = 105,487.69 × 25,365.88
  4. Step 4: Simplify right side
    70,350.65x = 2,675,788,086.02
  5. Step 5: Solve for x
    x = 2,675,788,086.02/70,350.65
  6. Step 6: Final answer
    x = 38,035.02

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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.