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Finding the Fourth Proportional to 59,180.40, 88,770.60 and 28,076.40

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Solution

The fourth proportional to 59,180.40, 88,770.60 and 28,076.40 is: 42,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,180.40 : 88,770.60 = 28,076.40 : x
  2. Step 2: Convert to fraction form
    59,180.40/88,770.60 = 28,076.40/x
  3. Step 3: Cross multiply
    59,180.40x = 88,770.60 × 28,076.40
  4. Step 4: Simplify right side
    59,180.40x = 2,492,358,873.84
  5. Step 5: Solve for x
    x = 2,492,358,873.84/59,180.40
  6. Step 6: Final answer
    x = 42,114.60

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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.