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Finding the Fourth Proportional to 124,893.20, 187,339.80 and 116,598.80

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Solution

The fourth proportional to 124,893.20, 187,339.80 and 116,598.80 is: 174,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,893.20 : 187,339.80 = 116,598.80 : x
  2. Step 2: Convert to fraction form
    124,893.20/187,339.80 = 116,598.80/x
  3. Step 3: Cross multiply
    124,893.20x = 187,339.80 × 116,598.80
  4. Step 4: Simplify right side
    124,893.20x = 21,843,595,872.24
  5. Step 5: Solve for x
    x = 21,843,595,872.24/124,893.20
  6. Step 6: Final answer
    x = 174,898.20

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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.