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Finding the Fourth Proportional to 84,880.80, 127,450.80 and 58,701.60

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Solution

The fourth proportional to 84,880.80, 127,450.80 and 58,701.60 is: 88,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,880.80 : 127,450.80 = 58,701.60 : x
  2. Step 2: Convert to fraction form
    84,880.80/127,450.80 = 58,701.60/x
  3. Step 3: Cross multiply
    84,880.80x = 127,450.80 × 58,701.60
  4. Step 4: Simplify right side
    84,880.80x = 7,481,565,881.28
  5. Step 5: Solve for x
    x = 7,481,565,881.28/84,880.80
  6. Step 6: Final answer
    x = 88,142.03

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1.5x scale

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.