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Finding the Fourth Proportional to 70,590.76, 105,899.13 and 23,208.53

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Solution

The fourth proportional to 70,590.76, 105,899.13 and 23,208.53 is: 34,817.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,590.76 : 105,899.13 = 23,208.53 : x
  2. Step 2: Convert to fraction form
    70,590.76/105,899.13 = 23,208.53/x
  3. Step 3: Cross multiply
    70,590.76x = 105,899.13 × 23,208.53
  4. Step 4: Simplify right side
    70,590.76x = 2,457,762,606.08
  5. Step 5: Solve for x
    x = 2,457,762,606.08/70,590.76
  6. Step 6: Final answer
    x = 34,817.06

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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.