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Finding the Fourth Proportional to 131,460.70, 197,259.90 and 60,404.80

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Solution

The fourth proportional to 131,460.70, 197,259.90 and 60,404.80 is: 90,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,460.70 : 197,259.90 = 60,404.80 : x
  2. Step 2: Convert to fraction form
    131,460.70/197,259.90 = 60,404.80/x
  3. Step 3: Cross multiply
    131,460.70x = 197,259.90 × 60,404.80
  4. Step 4: Simplify right side
    131,460.70x = 11,915,444,807.52
  5. Step 5: Solve for x
    x = 11,915,444,807.52/131,460.70
  6. Step 6: Final answer
    x = 90,638.84

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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.