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Finding the Fourth Proportional to 59,110.40, 88,409.60 and 52,915.20

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Solution

The fourth proportional to 59,110.40, 88,409.60 and 52,915.20 is: 79,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,110.40 : 88,409.60 = 52,915.20 : x
  2. Step 2: Convert to fraction form
    59,110.40/88,409.60 = 52,915.20/x
  3. Step 3: Cross multiply
    59,110.40x = 88,409.60 × 52,915.20
  4. Step 4: Simplify right side
    59,110.40x = 4,678,211,665.92
  5. Step 5: Solve for x
    x = 4,678,211,665.92/59,110.40
  6. Step 6: Final answer
    x = 79,143.63

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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.