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Finding the Fourth Proportional to 59,175.20, 88,762.80 and 43,623.20

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Solution

The fourth proportional to 59,175.20, 88,762.80 and 43,623.20 is: 65,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,175.20 : 88,762.80 = 43,623.20 : x
  2. Step 2: Convert to fraction form
    59,175.20/88,762.80 = 43,623.20/x
  3. Step 3: Cross multiply
    59,175.20x = 88,762.80 × 43,623.20
  4. Step 4: Simplify right side
    59,175.20x = 3,872,117,376.96
  5. Step 5: Solve for x
    x = 3,872,117,376.96/59,175.20
  6. Step 6: Final answer
    x = 65,434.80

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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.