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Finding the Fourth Proportional to 234,377.81, 351,587.48 and 65,899.61

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Solution

The fourth proportional to 234,377.81, 351,587.48 and 65,899.61 is: 98,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,377.81 : 351,587.48 = 65,899.61 : x
  2. Step 2: Convert to fraction form
    234,377.81/351,587.48 = 65,899.61/x
  3. Step 3: Cross multiply
    234,377.81x = 351,587.48 × 65,899.61
  4. Step 4: Simplify right side
    234,377.81x = 23,169,477,812.88
  5. Step 5: Solve for x
    x = 23,169,477,812.88/234,377.81
  6. Step 6: Final answer
    x = 98,855.25

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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.