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Finding the Fourth Proportional to 101,137.60, 141,330.20 and 101,137.60

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Solution

The fourth proportional to 101,137.60, 141,330.20 and 101,137.60 is: 141,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,137.60 : 141,330.20 = 101,137.60 : x
  2. Step 2: Convert to fraction form
    101,137.60/141,330.20 = 101,137.60/x
  3. Step 3: Cross multiply
    101,137.60x = 141,330.20 × 101,137.60
  4. Step 4: Simplify right side
    101,137.60x = 14,293,797,235.52
  5. Step 5: Solve for x
    x = 14,293,797,235.52/101,137.60
  6. Step 6: Final answer
    x = 141,330.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.