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Finding the Fourth Proportional to 158,588.80, 237,915.60 and 53,418.40

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Solution

The fourth proportional to 158,588.80, 237,915.60 and 53,418.40 is: 80,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,588.80 : 237,915.60 = 53,418.40 : x
  2. Step 2: Convert to fraction form
    158,588.80/237,915.60 = 53,418.40/x
  3. Step 3: Cross multiply
    158,588.80x = 237,915.60 × 53,418.40
  4. Step 4: Simplify right side
    158,588.80x = 12,709,070,687.04
  5. Step 5: Solve for x
    x = 12,709,070,687.04/158,588.80
  6. Step 6: Final answer
    x = 80,138.51

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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.